年份 | 美国 |
---|---|
2023 | - |
2022 | - |
2021 | 8.12243 |
2020 | -3.92136 |
2019 | 1.52267 |
2018 | 2.33745 |
2017 | 1.7383 |
2016 | 1.73823 |
2015 | 2.52185 |
2014 | 1.95743 |
2013 | 0.78693 |
2012 | 0.626435 |
2011 | 0.965065 |
2010 | 1.06396 |
2009 | -2.16692 |
2008 | -0.7928 |
2007 | 1.46136 |
2006 | 1.90994 |
2005 | 2.59143 |
2004 | 2.81405 |
2003 | 2.28133 |
2002 | 1.59595 |
2001 | 1.46713 |
2000 | 3.87453 |
1999 | 4.17789 |
1998 | 4.09056 |
1997 | 2.52371 |
1996 | 2.27311 |
1995 | 1.73186 |
1994 | 2.60827 |
1993 | 2.12799 |
1992 | 2.25208 |
1991 | -1.14925 |
1990 | 0.86815 |
1989 | 1.94826 |
1988 | 3.23524 |
1987 | 2.47513 |
1986 | 3.17024 |
1985 | 4.24961 |
1984 | 4.35334 |
1983 | 4.69934 |
1982 | 0.50114 |
1981 | 0.396429 |
1980 | -1.26421 |
1979 | 1.25339 |
1978 | 3.27633 |
1977 | 3.1834 |
1976 | 4.575 |
1975 | 1.26403 |
1974 | -1.73956 |
1973 | 3.95187 |
1972 | 4.99479 |
1971 | 2.51452 |
1970 | - |
1969 | - |
1968 | - |
1967 | - |
1966 | - |
1965 | - |
1964 | - |
1963 | - |
1962 | - |
1961 | - |
1960 | - |