| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 43.7 | 170 |
| 2015 | 43.2 | 170 |
| 2014 | 42.7 | 170 |
| 2013 | 42.3 | 170 |
| 2012 | 41.9 | 170 |
| 2011 | 41.6 | 171 |
| 2010 | 41.5 | 171 |
| 2009 | 41.2 | 171 |
| 2008 | 40.9 | 171 |
| 2007 | 40.7 | 171 |
| 2006 | 40.5 | 171 |
| 2005 | 40.4 | 171 |
| 2004 | 40.1 | 171 |
| 2003 | 39.9 | 171 |
| 2002 | 39.6 | 171 |
| 2001 | 39.3 | 171 |
| 2000 | 39 | 171 |
| 1999 | 38.8 | 171 |
| 1998 | 38.5 | 171 |
| 1997 | 38.3 | 170 |
| 1996 | 38 | 170 |
| 1995 | 37.7 | 170 |
| 1994 | 37.5 | 169 |
| 1993 | 37.1 | 167 |
| 1992 | 36.8 | 167 |
| 1991 | 36.4 | 168 |
| 1990 | 35.4 | 168 |
| 1989 | 35.1 | 166 |
| 1988 | 34.7 | 166 |
| 1987 | 34.4 | 166 |
| 1986 | 34.2 | 166 |