| 年份 | 新西兰 |
|---|---|
| 2023 | - |
| 2022 | 18.7043 |
| 2021 | 18.8906 |
| 2020 | 19.0682 |
| 2019 | 19.307 |
| 2018 | 19.5722 |
| 2017 | 19.7361 |
| 2016 | 19.8651 |
| 2015 | 20.0301 |
| 2014 | 20.226 |
| 2013 | 20.4402 |
| 2012 | 20.6296 |
| 2011 | 20.7677 |
| 2010 | 20.8703 |
| 2009 | 20.9523 |
| 2008 | 21.0299 |
| 2007 | 21.1216 |
| 2006 | 21.2813 |
| 2005 | 21.5462 |
| 2004 | 21.8456 |
| 2003 | 22.1197 |
| 2002 | 22.3786 |
| 2001 | 22.6048 |
| 2000 | 22.7749 |
| 1999 | 22.889 |
| 1998 | 22.9627 |
| 1997 | 23.0079 |
| 1996 | 23.0409 |
| 1995 | 23.069 |
| 1994 | 23.0817 |
| 1993 | 23.0802 |
| 1992 | 23.077 |
| 1991 | 23.1808 |
| 1990 | 23.2611 |
| 1989 | 23.2965 |
| 1988 | 23.4836 |
| 1987 | 23.8052 |
| 1986 | 24.2125 |
| 1985 | 24.6444 |
| 1984 | 25.1098 |
| 1983 | 25.6208 |
| 1982 | 26.1579 |
| 1981 | 26.6817 |
| 1980 | 27.1992 |
| 1979 | 27.758 |
| 1978 | 28.3597 |
| 1977 | 28.9877 |
| 1976 | 29.5665 |
| 1975 | 30.0554 |
| 1974 | 30.5244 |
| 1973 | 30.9767 |
| 1972 | 31.3496 |
| 1971 | 31.6398 |
| 1970 | 31.9055 |
| 1969 | 32.1499 |
| 1968 | 32.3194 |
| 1967 | 32.4427 |
| 1966 | 32.5793 |
| 1965 | 32.7196 |
| 1964 | 32.8279 |
| 1963 | 32.9053 |
| 1962 | 32.9613 |
| 1961 | 32.9446 |
| 1960 | 32.7789 |