| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 64 | 146 |
| 2015 | 64.5 | 145 |
| 2014 | 65 | 145 |
| 2013 | 65.5 | 143 |
| 2012 | 66 | 142 |
| 2011 | 66.7 | 143 |
| 2010 | 67.8 | 143 |
| 2009 | 69 | 143 |
| 2008 | 70 | 143 |
| 2007 | 70.6 | 142 |
| 2006 | 71.1 | 141 |
| 2005 | 71.6 | 141 |
| 2004 | 72.6 | 140 |
| 2003 | 73.7 | 138 |
| 2002 | 74.3 | 138 |
| 2001 | 74.9 | 138 |
| 2000 | 75.6 | 138 |
| 1999 | 76 | 138 |
| 1998 | 76 | 138 |
| 1997 | 76.4 | 138 |
| 1996 | 77 | 136 |
| 1995 | 77.7 | 135 |
| 1994 | 78.4 | 134 |
| 1993 | 80 | 133 |
| 1992 | 81.4 | 133 |
| 1991 | 81.6 | 133 |
| 1990 | 81.9 | 133 |
| 1989 | 82.1 | 133 |
| 1988 | 82 | 133 |
| 1987 | 81.6 | 133 |
| 1986 | 81.2 | 133 |