| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 6804.5 | 8 |
| 2015 | 6634 | 8 |
| 2014 | 6459.1 | 9 |
| 2013 | 6323.4 | 9 |
| 2012 | 6182.7 | 9 |
| 2011 | 6046.3 | 9 |
| 2010 | 5879.9 | 9 |
| 2009 | 5693 | 9 |
| 2008 | 5492.4 | 9 |
| 2007 | 5363.3 | 9 |
| 2006 | 5255.7 | 9 |
| 2005 | 5007.5 | 9 |
| 2004 | 4768.6 | 9 |
| 2003 | 4580.1 | 9 |
| 2002 | 4397.9 | 9 |
| 2001 | 4270.4 | 9 |
| 2000 | 4161 | 9 |
| 1999 | 4007.6 | 11 |
| 1998 | 3864.8 | 12 |
| 1997 | 3757.2 | 12 |
| 1996 | 3605.1 | 12 |
| 1995 | 3461.8 | 12 |
| 1994 | 3441.9 | 12 |
| 1993 | 3324.1 | 12 |
| 1992 | 3267.7 | 12 |
| 1991 | 3184.1 | 12 |
| 1990 | 3103 | 12 |