| 年份 | 加拿大 |
|---|---|
| 2023 | - |
| 2022 | 4.76576 |
| 2021 | 4.99327 |
| 2020 | -6.13104 |
| 2019 | 1.53215 |
| 2018 | 2.63409 |
| 2017 | 3.67986 |
| 2016 | 2.1041 |
| 2015 | 2.32104 |
| 2014 | 2.57817 |
| 2013 | 2.62772 |
| 2012 | 1.89595 |
| 2011 | 2.2778 |
| 2010 | 3.58576 |
| 2009 | 0.0848918 |
| 2008 | 2.99116 |
| 2007 | 4.41284 |
| 2006 | 4.19781 |
| 2005 | 3.92746 |
| 2004 | 3.06106 |
| 2003 | 2.74411 |
| 2002 | 3.99841 |
| 2001 | 2.40483 |
| 2000 | 4.06399 |
| 1999 | 3.93571 |
| 1998 | 2.73717 |
| 1997 | 4.88898 |
| 1996 | 2.96921 |
| 1995 | 2.24428 |
| 1994 | 2.89089 |
| 1993 | 1.85802 |
| 1992 | 1.54281 |
| 1991 | -1.11398 |
| 1990 | 1.37108 |
| 1989 | 3.41089 |
| 1988 | 4.12426 |
| 1987 | 3.87551 |
| 1986 | 3.42227 |
| 1985 | 4.90032 |
| 1984 | 3.83837 |
| 1983 | 2.49641 |
| 1982 | -2.56481 |
| 1981 | 1.19727 |
| 1980 | 1.70736 |
| 1979 | 2.28869 |
| 1978 | 2.98336 |
| 1977 | 2.77915 |
| 1976 | 5.12793 |
| 1975 | 3.81893 |
| 1974 | 4.99685 |
| 1973 | 6.73217 |
| 1972 | 6.85848 |
| 1971 | 5.77185 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |