年份 | 美国 |
---|---|
2023 | - |
2022 | - |
2021 | 6.05368 |
2020 | -13.2351 |
2019 | 0.470301 |
2018 | 2.80184 |
2017 | 4.26804 |
2016 | 0.405261 |
2015 | 0.271089 |
2014 | 3.88365 |
2013 | 2.97141 |
2012 | 4.0135 |
2011 | 7.16646 |
2010 | 12.8828 |
2009 | -8.29435 |
2008 | 5.7817 |
2007 | 8.75921 |
2006 | 9.46544 |
2005 | 6.9416 |
2004 | 9.63718 |
2003 | 2.10304 |
2002 | -1.96188 |
2001 | -5.58207 |
2000 | 8.31115 |
1999 | 4.98363 |
1998 | 2.33573 |
1997 | 11.9096 |
1996 | 8.17655 |
1995 | 10.2782 |
1994 | 8.83606 |
1993 | 3.26473 |
1992 | 6.92727 |
1991 | 6.61425 |
1990 | 8.82199 |
1989 | 11.5768 |
1988 | 16.2123 |
1987 | 10.9288 |
1986 | 7.66216 |
1985 | 3.35066 |
1984 | 8.15288 |
1983 | -2.59117 |
1982 | -7.65703 |
1981 | 1.21877 |
1980 | 10.7673 |
1979 | 9.90269 |
1978 | 10.5553 |
1977 | 2.4036 |
1976 | 4.3668 |
1975 | -0.640481 |
1974 | 7.9425 |
1973 | 18.819 |
1972 | 7.79452 |
1971 | 1.7329 |
1970 | - |
1969 | - |
1968 | - |
1967 | - |
1966 | - |
1965 | - |
1964 | - |
1963 | - |
1962 | - |
1961 | - |
1960 | - |