| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 42.3 | 171 |
| 2015 | 41.8 | 171 |
| 2014 | 41.2 | 171 |
| 2013 | 40.6 | 171 |
| 2012 | 40 | 171 |
| 2011 | 39.4 | 172 |
| 2010 | 38.9 | 172 |
| 2009 | 38.4 | 172 |
| 2008 | 37.9 | 172 |
| 2007 | 37.5 | 172 |
| 2006 | 37 | 172 |
| 2005 | 36.5 | 172 |
| 2004 | 36 | 172 |
| 2003 | 35.3 | 172 |
| 2002 | 34.7 | 172 |
| 2001 | 34 | 172 |
| 2000 | 33.3 | 172 |
| 1999 | 32.6 | 172 |
| 1998 | 31.9 | 172 |
| 1997 | 31.2 | 172 |
| 1996 | 30.5 | 172 |
| 1995 | 29.7 | 172 |
| 1994 | 29 | 171 |
| 1993 | 28.2 | 171 |
| 1992 | 27.4 | 171 |
| 1991 | 26.6 | 172 |
| 1990 | 25.9 | 173 |
| 1989 | 25.2 | 173 |
| 1988 | 24.4 | 173 |
| 1987 | 23.8 | 173 |
| 1986 | 23.1 | 173 |