| 序號 | 時間（年） | 單位：十億美元 |
|---|---|---|
| 注：時間后面標注“E”其對應的值為系統根據歷史數據預測所得，僅供參考。 | ||
| 1 | 2012 | 開通后顯示數據，立即開通 |
| 2 | 2011 | 開通后顯示數據，立即開通 |
| 3 | 2010 | 開通后顯示數據，立即開通 |
| 4 | 2009 | 開通后顯示數據，立即開通 |
| 5 | 2008 | 開通后顯示數據，立即開通 |
| 6 | 2007 | 開通后顯示數據，立即開通 |
| 7 | 2006 | 開通后顯示數據，立即開通 |
| 8 | 2005 | 開通后顯示數據，立即開通 |
| 9 | 2004 | 開通后顯示數據，立即開通 |
| 10 | 2003 | 開通后顯示數據，立即開通 |
| 11 | 2002 | 20.30 |
| 12 | 2001 | 23.00 |
| 13 | 2000 | 25.00 |
| 14 | 1999 | 21.90 |
| 15 | 1998 | 20.20 |
| 16 | 1997 | 19.30 |
| 17 | 1996 | 18.20 |
| 18 | 1995 | 17.40 |
| 19 | 1994 | 15.70 |
| 20 | 1993 | 14.20 |
| 21 | 1992 | 13.70 |
| 22 | 1991 | 13.30 |
| 23 | 1990 | 14.00 |
| 24 | 1989 | 13.70 |
| 25 | 1988 | 12.80 |
| 26 | 1987 | 12.30 |
| 27 | 1986 | 11.20 |
| 28 | 1985 | 11.50 |
| 29 | 1984 | 11.50 |
| 30 | 1983 | 9.50 |
| 31 | 1982 | 9.00 |
| 32 | 1981 | 8.90 |
| 33 | 1980 | 7.90 |
| 34 | 1979 | 7.40 |
| 35 | 1978 | 6.50 |
| 36 | 1977 | 6.10 |
| 37 | 1976 | 4.90 |
| 38 | 1975 | 4.60 |
| 39 | 1974 | 4.70 |
| 40 | 1973 | 4.00 |
| 41 | 1972 | 3.30 |
| 42 | 1971 | 3.10 |
| 43 | 1970 | 3.30 |
| 44 | 1969 | 3.10 |
| 45 | 1968 | 2.90 |
| 46 | 1967 | 2.90 |
| 47 | 1966 | 2.90 |
| 48 | 1965 | 2.40 |
| 49 | 1964 | 2.10 |
| 50 | 1963 | 1.90 |
| 51 | 1962 | 1.90 |
| 52 | 1961 | 1.90 |
| 53 | 1960 | 1.90 |
| 54 | 1959 | 1.80 |
| 55 | 1958 | 1.70 |
| 56 | 1957 | 2.00 |
| 57 | 1956 | 1.80 |
| 58 | 1955 | 1.40 |
| 59 | 1954 | 1.40 |
| 60 | 1953 | 1.40 |
| 61 | 1952 | 1.20 |
| 62 | 1951 | 1.10 |
| 63 | 1950 | 0.80 |
| 64 | 1949 | 0.60 |
| 65 | 1948 | 0.70 |
| 66 | 1947 | 0.70 |
| 67 | 1946 | 0.40 |
| 68 | 1945 | 0.30 |
| 69 | 1944 | 0.20 |
| 70 | 1943 | 0.10 |
| 71 | 1942 | 0.10 |
| 72 | 1941 | 0.20 |
| 73 | 1940 | 0.20 |
| 74 | 1939 | 0.10 |
| 75 | 1938 | 0.10 |
| 76 | 1937 | 0.20 |
| 77 | 1936 | 0.10 |
| 78 | 1935 | 0.10 |
| 79 | 1934 | 0.10 |
| 80 | 1933 | 0.00 |
| 81 | 1932 | 0.00 |
| 82 | 1931 | 0.10 |
| 83 | 1930 | 0.10 |
| 84 | 1929 | 0.20 |
| 85 | 1928 | 0.20 |
| 86 | 1927 | 0.10 |
| 87 | 1926 | 0.20 |
| 88 | 1925 | 0.10 |
| 89 | 1924 | 0.10 |
| 90 | 1923 | 0.10 |
| 91 | 1922 | 0.10 |
| 92 | 1921 | 0.10 |
| 93 | 1920 | 0.10 |
| 94 | 1919 | 0.10 |
| 95 | 1918 | 0.10 |
| 96 | 1917 | 0.10 |
| 97 | 1916 | 0.10 |
| 98 | 1915 | 0.00 |
| 99 | 1914 | 0.00 |
| 100 | 1913 | 0.00 |
| 101 | 1912 | 0.00 |
| 102 | 1911 | 0.00 |
| 103 | 1910 | 0.00 |
| 104 | 1909 | 0.00 |
| 105 | 1908 | 0.00 |
| 106 | 1907 | 0.00 |
| 107 | 1906 | 0.00 |
| 108 | 1905 | 0.00 |
| 109 | 1904 | 0.00 |
| 110 | 1903 | 0.10 |
| 111 | 1902 | 0.10 |
| 112 | 1901 | 0.00 |
圖表顏色：
