1 |
% Atmospheric lifetimes are 44.0 for CFC-11 |
2 |
% and 125.0 for CFC-12 |
3 |
% rel= 0 |
4 |
% <-Northern Data-> <-Southern Data-> |
5 |
% Year CFC-11 CFC-12 CFC-11 CFC-12 |
6 |
% (ppt) (ppt) (ppt) (ppt) |
7 |
1931.50 0.00 0.00 0.00 0.00 |
8 |
1932.50 0.00 0.01 0.00 0.01 |
9 |
1933.50 0.00 0.02 0.00 0.01 |
10 |
1934.50 0.00 0.03 0.00 0.02 |
11 |
1935.50 0.00 0.04 0.00 0.03 |
12 |
1936.50 0.00 0.07 0.00 0.04 |
13 |
1937.50 0.00 0.11 0.00 0.07 |
14 |
1938.50 0.00 0.17 0.00 0.11 |
15 |
1939.50 0.01 0.25 0.00 0.17 |
16 |
1940.50 0.01 0.37 0.01 0.25 |
17 |
1941.50 0.02 0.53 0.01 0.36 |
18 |
1942.50 0.02 0.72 0.02 0.51 |
19 |
1943.50 0.03 0.94 0.02 0.69 |
20 |
1944.50 0.04 1.25 0.03 0.91 |
21 |
1945.50 0.05 1.65 0.04 1.21 |
22 |
1946.50 0.08 2.33 0.05 1.64 |
23 |
1947.50 0.14 3.42 0.08 2.33 |
24 |
1948.50 0.24 4.73 0.14 3.32 |
25 |
1949.50 0.42 6.10 0.25 4.48 |
26 |
1950.50 0.67 7.58 0.42 5.77 |
27 |
1951.50 1.02 9.23 0.66 7.19 |
28 |
1952.50 1.53 10.94 1.01 8.72 |
29 |
1953.50 2.21 12.82 1.49 10.37 |
30 |
1954.50 3.07 14.97 2.13 12.20 |
31 |
1955.50 4.11 17.40 2.93 14.25 |
32 |
1956.50 5.39 20.22 3.92 16.59 |
33 |
1957.50 6.84 23.45 5.11 19.28 |
34 |
1958.50 8.19 26.86 6.39 22.28 |
35 |
1959.50 9.47 30.58 7.63 25.52 |
36 |
1960.50 11.13 35.03 8.96 29.18 |
37 |
1961.50 13.38 40.12 10.63 33.42 |
38 |
1962.50 16.23 45.89 12.78 38.25 |
39 |
1963.50 19.72 52.66 15.47 43.80 |
40 |
1964.50 23.87 60.57 18.75 50.28 |
41 |
1965.50 28.57 69.53 22.61 57.76 |
42 |
1966.50 33.78 79.46 26.99 66.21 |
43 |
1967.50 39.63 90.60 31.91 75.67 |
44 |
1968.50 46.27 103.16 37.46 86.31 |
45 |
1969.50 53.96 117.17 43.80 98.25 |
46 |
1970.50 62.75 132.52 51.07 111.52 |
47 |
1971.50 72.36 149.00 59.27 126.02 |
48 |
1972.50 83.04 166.85 68.34 141.70 |
49 |
1973.50 95.27 186.59 78.54 158.82 |
50 |
1974.50 108.81 208.14 90.04 177.62 |
51 |
1975.50 121.86 229.37 102.29 197.54 |
52 |
1976.50 134.47 249.51 114.40 217.31 |
53 |
1977.50 146.47 268.67 126.28 236.49 |
54 |
1978.50 157.18 286.35 137.45 254.72 |
55 |
1979.50 166.67 303.74 147.60 272.00 |
56 |
1980.50 175.11 320.96 158.08 290.34 |
57 |
1981.50 182.81 337.33 166.54 306.90 |
58 |
1982.50 189.88 352.01 174.69 323.74 |
59 |
1983.50 197.72 367.69 183.03 341.15 |
60 |
1984.50 206.34 383.86 190.95 357.80 |
61 |
1985.50 216.12 401.25 200.50 376.45 |
62 |
1986.50 227.48 420.96 209.82 394.00 |
63 |
1987.50 239.67 441.49 220.60 412.82 |
64 |
1988.50 251.05 463.22 231.46 433.46 |
65 |
1989.50 257.28 481.80 240.38 452.97 |
66 |
1990.50 263.65 493.96 249.23 470.55 |
67 |
1991.50 266.33 504.64 254.53 484.07 |
68 |
1992.50 266.00 512.87 258.80 495.65 |
69 |
1993.50 267.58 520.12 260.56 504.49 |
70 |
1994.50 267.24 526.58 261.73 512.31 |
71 |
1995.50 266.38 531.59 261.29 518.39 |
72 |
1996.50 265.25 534.81 261.08 523.50 |
73 |
1997.50 263.84 537.67 260.16 528.18 |
74 |
1998.50 263.84 537.67 260.16 528.18 |