| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 77.3 | 163 |
| 2015 | 76.9 | 163 |
| 2014 | 76.3 | 162 |
| 2013 | 75.8 | 162 |
| 2012 | 75.3 | 161 |
| 2011 | 74.9 | 162 |
| 2010 | 74.7 | 162 |
| 2009 | 74.6 | 162 |
| 2008 | 74.6 | 162 |
| 2007 | 74.8 | 162 |
| 2006 | 75 | 162 |
| 2005 | 75.1 | 162 |
| 2004 | 75.2 | 161 |
| 2003 | 75.2 | 160 |
| 2002 | 75.2 | 158 |
| 2001 | 75.2 | 158 |
| 2000 | 75.3 | 158 |
| 1999 | 75.5 | 158 |
| 1998 | 75.8 | 158 |
| 1997 | 76.1 | 158 |
| 1996 | 76.2 | 158 |
| 1995 | 76.1 | 158 |
| 1994 | 75.8 | 157 |
| 1993 | 75.3 | 157 |
| 1992 | 74.8 | 156 |
| 1991 | 74.4 | 157 |
| 1990 | 74.3 | 157 |
| 1989 | 74.6 | 154 |
| 1988 | 75.1 | 153 |
| 1987 | 75.8 | 153 |
| 1986 | 76.4 | 152 |