| 年份 | 加拿大 |
|---|---|
| 2023 | - |
| 2022 | 7.19392 |
| 2021 | 8.15334 |
| 2020 | 0.615457 |
| 2019 | 1.56621 |
| 2018 | 1.61741 |
| 2017 | 2.565 |
| 2016 | 0.75403 |
| 2015 | -0.876718 |
| 2014 | 1.9446 |
| 2013 | 1.73745 |
| 2012 | 1.21317 |
| 2011 | 3.23554 |
| 2010 | 2.84952 |
| 2009 | -2.31399 |
| 2008 | 3.98717 |
| 2007 | 3.27836 |
| 2006 | 2.57381 |
| 2005 | 3.12289 |
| 2004 | 3.26627 |
| 2003 | 3.25467 |
| 2002 | 1.23905 |
| 2001 | 1.65862 |
| 2000 | 4.3354 |
| 1999 | 1.90262 |
| 1998 | -0.179363 |
| 1997 | 1.14425 |
| 1996 | 1.7451 |
| 1995 | 2.25173 |
| 1994 | 1.45523 |
| 1993 | 1.28594 |
| 1992 | 1.461 |
| 1991 | 3.05154 |
| 1990 | 3.3918 |
| 1989 | 4.70207 |
| 1988 | 4.54073 |
| 1987 | 4.79065 |
| 1986 | 3.10866 |
| 1985 | 3.33867 |
| 1984 | 3.53572 |
| 1983 | 5.78416 |
| 1982 | 8.85081 |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | 4.82816 |
| 1968 | 4.05872 |
| 1967 | 4.40908 |
| 1966 | 4.95135 |
| 1965 | 3.78507 |
| 1964 | 2.83378 |
| 1963 | 2.14443 |
| 1962 | 1.30677 |
| 1961 | 2.44443 |
| 1960 | - |