| 年份 | 加拿大  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | - | 
| 2021 | 4.94906 | 
| 2020 | 1.24182 | 
| 2019 | 1.93318 | 
| 2018 | 1.7982 | 
| 2017 | 1.1969 | 
| 2016 | 0.786495 | 
| 2015 | 0.332934 | 
| 2014 | 1.68853 | 
| 2013 | 1.7142 | 
| 2012 | 1.44308 | 
| 2011 | 2.59347 | 
| 2010 | 2.12754 | 
| 2009 | 1.92304 | 
| 2008 | 5.07362 | 
| 2007 | 3.90023 | 
| 2006 | 4.08382 | 
| 2005 | 5.56482 | 
| 2004 | 4.43822 | 
| 2003 | 4.12924 | 
| 2002 | 2.86861 | 
| 2001 | 3.49737 | 
| 2000 | 4.60752 | 
| 1999 | 2.36216 | 
| 1998 | 1.69514 | 
| 1997 | 2.71191 | 
| 1996 | 3.20299 | 
| 1995 | 2.4863 | 
| 1994 | 2.48736 | 
| 1993 | 2.61882 | 
| 1992 | 2.35647 | 
| 1991 | 2.10519 | 
| 1990 | 2.7515 | 
| 1989 | 2.66632 | 
| 1988 | 2.72006 | 
| 1987 | 2.70475 | 
| 1986 | 1.87618 | 
| 1985 | 4.19242 | 
| 1984 | 4.27716 | 
| 1983 | 4.28149 | 
| 1982 | 3.24916 | 
| 1981 | 5.8261 | 
| 1980 | 9.04856 | 
| 1979 | 8.45963 | 
| 1978 | 3.94354 | 
| 1977 | 4.33595 | 
| 1976 | 4.15554 | 
| 1975 | 4.63818 | 
| 1974 | 5.73858 | 
| 1973 | 2.9147 | 
| 1972 | 1.76969 | 
| 1971 | 1.68765 | 
| 1970 | 1.97884 | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |