| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 26111.5 | 4 |
| 2015 | 25816.2 | 4 |
| 2014 | 25513.1 | 4 |
| 2013 | 25203.2 | 4 |
| 2012 | 24888.3 | 4 |
| 2011 | 24570.8 | 4 |
| 2010 | 24252.4 | 4 |
| 2009 | 23934 | 4 |
| 2008 | 23615.9 | 4 |
| 2007 | 23298.9 | 4 |
| 2006 | 22983.8 | 4 |
| 2005 | 22671.3 | 4 |
| 2004 | 22361.5 | 4 |
| 2003 | 22054.5 | 4 |
| 2002 | 21750.8 | 4 |
| 2001 | 21450.7 | 4 |
| 2000 | 21154 | 4 |
| 1999 | 20861.3 | 4 |
| 1998 | 20571.6 | 4 |
| 1997 | 20282.6 | 4 |
| 1996 | 19991.5 | 4 |
| 1995 | 19695.8 | 4 |
| 1994 | 19394.5 | 4 |
| 1993 | 19088 | 4 |
| 1992 | 18776.6 | 4 |
| 1991 | 18461.6 | 4 |
| 1990 | 18143.7 | 4 |
| 1989 | 17823.3 | 4 |
| 1988 | 17500.1 | 4 |
| 1987 | 17172.9 | 4 |
| 1986 | 16840.2 | 4 |