year CO2_ppm N2O_ppb CH4_ppb CFC11_ppt CFC12_ppt others_ppt 1850.00 285.20 275.40 791.00 0.00 0.00 0.00 1851.00 285.10 275.50 792.00 0.00 0.00 0.00 1852.00 285.00 275.60 794.00 0.00 0.00 0.00 1853.00 285.00 275.70 795.00 0.00 0.00 0.00 1854.00 284.90 275.80 797.00 0.00 0.00 0.00 1855.00 285.10 275.90 798.00 0.00 0.00 0.00 1856.00 285.40 276.00 799.00 0.00 0.00 0.00 1857.00 285.60 276.10 801.00 0.00 0.00 0.00 1858.00 285.90 276.20 802.00 0.00 0.00 0.00 1859.00 286.10 276.30 804.00 0.00 0.00 0.00 1860.00 286.40 276.40 805.00 0.00 0.00 0.00 1861.00 286.60 276.50 807.00 0.00 0.00 0.00 1862.00 286.70 276.60 808.00 0.00 0.00 0.00 1863.00 286.80 276.70 810.00 0.00 0.00 0.00 1864.00 286.90 276.80 811.00 0.00 0.00 0.00 1865.00 287.00 276.90 813.00 0.00 0.00 0.00 1866.00 287.10 277.00 815.00 0.00 0.00 0.00 1867.00 287.20 277.10 816.00 0.00 0.00 0.00 1868.00 287.40 277.20 818.00 0.00 0.00 0.00 1869.00 287.50 277.30 819.00 0.00 0.00 0.00 1870.00 287.70 277.40 821.00 0.00 0.00 0.00 1871.00 287.90 277.40 823.00 0.00 0.00 0.00 1872.00 288.00 277.50 824.00 0.00 0.00 0.00 1873.00 288.20 277.60 826.00 0.00 0.00 0.00 1874.00 288.40 277.70 827.00 0.00 0.00 0.00 1875.00 288.60 277.80 829.00 0.00 0.00 0.00 1876.00 288.70 277.80 831.00 0.00 0.00 0.00 1877.00 288.90 277.90 832.00 0.00 0.00 0.00 1878.00 289.50 278.00 834.00 0.00 0.00 0.00 1879.00 290.10 278.10 835.00 0.00 0.00 0.00 1880.00 290.80 278.20 837.00 0.00 0.00 0.00 1881.00 291.40 278.30 839.00 0.00 0.00 0.00 1882.00 292.00 278.40 841.00 0.00 0.00 0.00 1883.00 292.50 278.50 843.00 0.00 0.00 0.00 1884.00 292.90 278.60 845.00 0.00 0.00 0.00 1885.00 293.30 278.70 846.00 0.00 0.00 0.00 1886.00 293.80 278.80 848.00 0.00 0.00 0.00 1887.00 294.00 278.90 850.00 0.00 0.00 0.00 1888.00 294.10 278.90 852.00 0.00 0.00 0.00 1889.00 294.20 279.00 854.00 0.00 0.00 0.00 1890.00 294.40 279.10 856.00 0.00 0.00 0.00 1891.00 294.60 279.20 858.00 0.00 0.00 0.00 1892.00 294.80 279.30 861.00 0.00 0.00 0.00 1893.00 294.70 279.40 863.00 0.00 0.00 0.00 1894.00 294.80 279.40 865.00 0.00 0.00 0.00 1895.00 294.80 279.50 867.00 0.00 0.00 0.00 1896.00 294.90 279.50 870.00 0.00 0.00 0.00 1897.00 294.90 279.60 872.00 0.00 0.00 0.00 1898.00 294.90 279.70 874.00 0.00 0.00 0.00 1899.00 295.30 279.70 877.00 0.00 0.00 0.00 1900.00 295.70 279.80 879.00 0.00 0.00 0.00 1901.00 296.20 279.90 883.00 0.00 0.00 0.00 1902.00 296.60 280.00 887.00 0.00 0.00 0.00 1903.00 297.00 280.10 891.00 0.00 0.00 0.00 1904.00 297.50 280.20 896.00 0.00 0.00 0.00 1905.00 298.00 280.30 900.00 0.00 0.00 0.00 1906.00 298.40 280.40 905.00 0.00 0.00 0.00 1907.00 298.80 280.50 909.00 0.00 0.00 0.00 1908.00 299.30 280.70 914.00 0.00 0.00 0.00 1909.00 299.70 280.80 919.00 0.00 0.00 0.00 1910.00 300.10 281.00 924.00 0.00 0.00 0.00 1911.00 300.60 281.10 928.00 0.00 0.00 0.00 1912.00 301.00 281.30 933.00 0.00 0.00 0.00 1913.00 301.30 281.50 938.00 0.00 0.00 0.00 1914.00 301.40 281.60 944.00 0.00 0.00 0.00 1915.00 301.60 281.80 949.00 0.00 0.00 0.00 1916.00 302.00 282.00 955.00 0.00 0.00 0.00 1917.00 302.40 282.20 960.00 0.00 0.00 0.00 1918.00 302.80 282.50 966.00 0.00 0.00 0.00 1919.00 303.00 282.70 972.00 0.00 0.00 0.00 1920.00 303.40 282.90 978.00 0.00 0.00 0.00 1921.00 303.70 283.20 983.00 0.00 0.00 0.00 1922.00 304.10 283.40 989.00 0.00 0.00 0.00 1923.00 304.50 283.60 995.00 0.00 0.00 0.00 1924.00 304.90 283.80 1001.00 0.00 0.00 0.00 1925.00 305.30 284.00 1007.00 0.00 0.00 0.00 1926.00 305.80 284.20 1013.00 0.00 0.00 0.00 1927.00 306.20 284.50 1019.00 0.00 0.00 0.00 1928.00 306.60 284.60 1025.00 0.00 0.00 0.00 1929.00 307.10 284.80 1031.00 0.00 0.00 0.00 1930.00 307.50 285.00 1036.00 0.00 0.00 1.00 1931.00 308.00 285.10 1042.00 0.00 0.00 1.00 1932.00 308.30 285.30 1047.00 0.00 0.00 2.00 1933.00 308.90 285.50 1053.00 0.00 0.00 2.00 1934.00 309.30 285.70 1058.00 0.00 0.00 3.00 1935.00 309.70 285.90 1063.00 0.00 0.00 3.00 1936.00 310.10 286.10 1068.00 0.00 0.00 3.00 1937.00 310.60 286.30 1073.00 0.00 0.00 4.00 1938.00 311.00 286.40 1078.00 0.00 1.00 4.00 1939.00 311.30 286.60 1083.00 0.00 1.00 5.00 1940.00 311.30 286.70 1088.00 0.00 1.00 5.00 1941.00 311.00 286.90 1094.00 0.00 1.00 6.00 1942.00 310.70 287.10 1099.00 0.00 2.00 7.00 1943.00 310.50 287.30 1104.00 0.00 2.00 8.00 1944.00 310.20 287.50 1109.00 0.00 3.00 9.00 1945.00 310.20 287.80 1115.00 0.00 4.00 10.00 1946.00 310.30 288.00 1120.00 0.00 4.00 11.00 1947.00 310.40 288.30 1127.00 0.00 5.00 12.00 1948.00 310.50 288.50 1133.00 0.00 7.00 13.00 1949.00 310.90 288.80 1140.00 1.00 8.00 14.00 1950.00 311.30 289.00 1147.00 1.00 9.00 15.00 1951.00 311.80 289.20 1155.00 1.00 11.00 16.00 1952.00 312.20 289.40 1163.00 2.00 13.00 17.00 1953.00 312.60 289.70 1173.00 2.00 15.00 17.00 1954.00 313.20 289.90 1182.00 3.00 17.00 18.00 1955.00 313.70 290.10 1192.00 4.00 20.00 19.00 1956.00 314.20 290.40 1202.00 5.00 23.00 20.00 1957.00 314.80 290.60 1213.00 7.00 26.00 21.00 1958.00 315.30 290.80 1224.00 8.00 30.00 21.00 1959.00 316.20 291.10 1235.00 9.00 34.00 22.00 1960.00 317.10 291.40 1247.00 11.00 38.00 23.00 1961.00 317.70 291.70 1259.00 13.00 43.00 25.00 1962.00 318.40 291.90 1272.00 16.00 49.00 26.00 1963.00 319.10 292.20 1285.00 19.00 56.00 27.00 1964.00 319.60 292.60 1298.00 23.00 63.00 29.00 1965.00 320.20 293.00 1312.00 28.00 72.00 31.00 1966.00 321.60 293.40 1326.00 33.00 82.00 35.00 1967.00 322.30 293.80 1340.00 39.00 93.00 39.00 1968.00 323.00 294.20 1355.00 45.00 105.00 44.00 1969.00 324.20 294.70 1370.00 53.00 119.00 48.00 1970.00 325.50 295.20 1386.00 62.00 133.00 52.00 1971.00 326.40 295.70 1401.00 71.00 148.00 59.00 1972.00 327.50 296.20 1417.00 82.00 166.00 65.00 1973.00 329.40 296.80 1433.00 95.00 185.00 71.00 1974.00 330.20 297.40 1449.00 108.00 204.00 78.00 1975.00 331.40 298.00 1465.00 118.00 221.00 85.00 1976.00 331.90 298.60 1481.00 129.00 237.00 93.00 1977.00 333.70 299.40 1497.00 140.00 255.00 102.00 1978.00 335.40 300.00 1514.00 148.00 269.00 110.00 1979.00 337.10 300.90 1530.00 157.00 285.00 119.00 1980.00 339.00 301.20 1547.00 166.00 299.00 127.00 1981.00 340.40 302.20 1567.00 174.00 319.00 137.00 1982.00 341.60 303.20 1586.00 183.00 336.00 148.00 1983.00 342.50 303.80 1606.00 192.00 353.00 158.00 1984.00 344.20 304.50 1625.00 201.00 368.00 169.00 1985.00 345.70 304.90 1638.00 212.00 385.00 179.00 1986.00 347.10 306.10 1651.00 223.00 408.00 193.00 1987.00 348.90 305.90 1663.00 234.00 426.00 208.00 1988.00 351.50 307.00 1673.00 245.00 445.00 222.00 1989.00 353.10 308.80 1684.00 255.00 463.00 237.00 1990.00 354.30 309.40 1693.00 263.00 479.00 251.00 1991.00 355.70 310.30 1704.00 268.00 492.00 266.00 1992.00 356.40 310.40 1714.00 271.00 504.00 319.00 1993.00 357.10 311.20 1715.00 272.00 511.00 325.00 1994.00 358.60 311.40 1721.00 272.00 518.00 334.00 1995.00 360.70 312.40 1728.00 271.00 523.00 337.00 1996.00 362.60 313.00 1730.00 270.00 526.00 343.00 1997.00 363.50 313.80 1733.00 269.00 528.00 348.00 1998.00 366.30 314.50 1743.00 267.00 531.00 353.00 1999.00 368.40 315.40 1751.00 265.00 532.00 358.00 2000.00 369.60 316.30 1752.00 263.00 534.00 364.00 2001.00 371.10 316.50 1750.00 261.00 535.00 372.00 2002.00 373.10 317.20 1752.00 259.00 535.00 381.00 2003.00 375.60 318.10 1756.00 257.00 535.00 389.00 2004.00 377.10 318.70 1755.00 255.00 535.00 396.00 2005.00 379.70 319.50 1753.00 252.00 534.00 400.00 2006.00 381.50 320.20 1751.00 249.00 532.00 405.00