| 年份 | 加拿大 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 2.82979 |
| 2020 | 0.888909 |
| 2019 | 1.61995 |
| 2018 | 1.50563 |
| 2017 | 0.816767 |
| 2016 | 0.471725 |
| 2015 | 0.0345892 |
| 2014 | 1.16513 |
| 2013 | 1.25009 |
| 2012 | 0.873035 |
| 2011 | 1.65206 |
| 2010 | 1.36036 |
| 2009 | 1.33142 |
| 2008 | 2.54002 |
| 2007 | 1.79573 |
| 2006 | 1.79784 |
| 2005 | 1.78499 |
| 2004 | 1.49756 |
| 2003 | 1.12579 |
| 2002 | 0.955943 |
| 2001 | 0.858858 |
| 2000 | 1.47118 |
| 1999 | 0.764046 |
| 1998 | 0.351268 |
| 1997 | 0.806571 |
| 1996 | 1.29674 |
| 1995 | 1.03435 |
| 1994 | 0.968662 |
| 1993 | 1.00985 |
| 1992 | 1.08495 |
| 1991 | 1.00432 |
| 1990 | 1.48749 |
| 1989 | 1.10438 |
| 1988 | 0.882613 |
| 1987 | 1.43057 |
| 1986 | 0.997983 |
| 1985 | 2.35728 |
| 1984 | 2.26665 |
| 1983 | 2.44822 |
| 1982 | 1.97677 |
| 1981 | 3.28392 |
| 1980 | 5.01982 |
| 1979 | 4.31015 |
| 1978 | 1.98951 |
| 1977 | 2.09691 |
| 1976 | 1.95008 |
| 1975 | 2.22091 |
| 1974 | 2.38832 |
| 1973 | 0.68693 |
| 1972 | 0.59096 |
| 1971 | 0.483634 |
| 1970 | 0.426219 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |