| 年份 | 新加坡 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 81.1 |
| 2020 | 83.1 |
| 2019 | 81.4 |
| 2018 | 81.2 |
| 2017 | 80.9 |
| 2016 | 80.7 |
| 2015 | 80.5 |
| 2014 | 80.3 |
| 2013 | 80.1 |
| 2012 | 79.8 |
| 2011 | 79.5 |
| 2010 | 79.2 |
| 2009 | 78.9 |
| 2008 | 78.4 |
| 2007 | 78.1 |
| 2006 | 77.8 |
| 2005 | 77.6 |
| 2004 | 77.1 |
| 2003 | 76.6 |
| 2002 | 76.6 |
| 2001 | 76.3 |
| 2000 | 76 |
| 1999 | 75.6 |
| 1998 | 75.3 |
| 1997 | 74.8 |
| 1996 | 74.4 |
| 1995 | 74.1 |
| 1994 | 74.1 |
| 1993 | 73.9 |
| 1992 | 73.8 |
| 1991 | 73.5 |
| 1990 | 73.1 |
| 1989 | 72.8 |
| 1988 | 72.6 |
| 1987 | 72.5 |
| 1986 | 72.1 |
| 1985 | 71.5 |
| 1984 | 70.9 |
| 1983 | 70.5 |
| 1982 | 70.2 |
| 1981 | 70.1 |
| 1980 | 69.8 |
| 1979 | 68.868 |
| 1978 | 68.677 |
| 1977 | 68.396 |
| 1976 | 68.048 |
| 1975 | 67.721 |
| 1974 | 67.115 |
| 1973 | 66.712 |
| 1972 | 66.218 |
| 1971 | 66.042 |
| 1970 | 65.898 |
| 1969 | 65.637 |
| 1968 | 65.299 |
| 1967 | 65.112 |
| 1966 | 64.897 |
| 1965 | 64.513 |
| 1964 | 64.15 |
| 1963 | 63.843 |
| 1962 | 63.696 |
| 1961 | 63.016 |
| 1960 | 62.182 |