| 年份 | 加拿大 |
|---|---|
| 2023 | - |
| 2022 | 2.01835 |
| 2021 | 6.38827 |
| 2020 | 1.29359 |
| 2019 | 0.966991 |
| 2018 | 3.19178 |
| 2017 | 2.11578 |
| 2016 | 1.77789 |
| 2015 | 1.363 |
| 2014 | 0.552878 |
| 2013 | -0.790212 |
| 2012 | 0.69765 |
| 2011 | 1.31139 |
| 2010 | 2.25081 |
| 2009 | 2.69663 |
| 2008 | 3.76114 |
| 2007 | 2.37496 |
| 2006 | 2.75149 |
| 2005 | 1.06364 |
| 2004 | 1.87509 |
| 2003 | 2.88021 |
| 2002 | 2.26183 |
| 2001 | 3.40553 |
| 2000 | 3.43685 |
| 1999 | 2.16423 |
| 1998 | 1.92329 |
| 1997 | -0.594765 |
| 1996 | -1.9079 |
| 1995 | -0.993406 |
| 1994 | -1.13574 |
| 1993 | -0.199839 |
| 1992 | 0.813603 |
| 1991 | 2.35524 |
| 1990 | 3.27626 |
| 1989 | 2.461 |
| 1988 | 2.92122 |
| 1987 | 1.42904 |
| 1986 | 1.63322 |
| 1985 | 3.97847 |
| 1984 | 2.25788 |
| 1983 | 1.0851 |
| 1982 | 1.18374 |
| 1981 | 1.70805 |
| 1980 | 2.65231 |
| 1979 | 0.932958 |
| 1978 | 1.10333 |
| 1977 | 4.11138 |
| 1976 | 1.80121 |
| 1975 | 6.48548 |
| 1974 | 6.05301 |
| 1973 | 4.69004 |
| 1972 | 3.50427 |
| 1971 | 3.64932 |
| 1970 | 6.29542 |
| 1969 | 4.82727 |
| 1968 | 6.40905 |
| 1967 | 8.35742 |
| 1966 | 8.50705 |
| 1965 | 4.48467 |
| 1964 | 5.97842 |
| 1963 | 4.88176 |
| 1962 | 5.08271 |
| 1961 | - |
| 1960 | - |