| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 48.4 | 149 |
| 2015 | 48.3 | 149 |
| 2014 | 48.2 | 149 |
| 2013 | 48.1 | 149 |
| 2012 | 47.9 | 149 |
| 2011 | 47.7 | 150 |
| 2010 | 47.4 | 150 |
| 2009 | 47.1 | 150 |
| 2008 | 46.8 | 150 |
| 2007 | 46.4 | 149 |
| 2006 | 45.9 | 149 |
| 2005 | 45.3 | 149 |
| 2004 | 44.9 | 148 |
| 2003 | 44.5 | 148 |
| 2002 | 43.9 | 148 |
| 2001 | 43.3 | 148 |
| 2000 | 42.8 | 149 |
| 1999 | 42.2 | 150 |
| 1998 | 41.5 | 150 |
| 1997 | 41 | 150 |
| 1996 | 40.8 | 150 |
| 1995 | 40.9 | 150 |
| 1994 | 41.5 | 150 |
| 1993 | 42.5 | 149 |
| 1992 | 43.6 | 149 |
| 1991 | 44.5 | 148 |
| 1990 | 44.9 | 148 |
| 1989 | 44.7 | 145 |
| 1988 | 44 | 145 |
| 1987 | 42.9 | 147 |
| 1986 | 41.7 | 148 |