| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 5.1 | 183 |
| 2015 | 5 | 184 |
| 2014 | 4.9 | 184 |
| 2013 | 4.9 | 184 |
| 2012 | 4.8 | 184 |
| 2011 | 4.8 | 185 |
| 2010 | 4.9 | 185 |
| 2009 | 5 | 185 |
| 2008 | 5.1 | 185 |
| 2007 | 5.2 | 184 |
| 2006 | 5.3 | 183 |
| 2005 | 5.4 | 183 |
| 2004 | 5.4 | 182 |
| 2003 | 5.5 | 182 |
| 2002 | 5.6 | 182 |
| 2001 | 5.6 | 182 |
| 2000 | 5.6 | 182 |
| 1999 | 5.7 | 182 |
| 1998 | 5.7 | 182 |
| 1997 | 5.8 | 182 |
| 1996 | 5.8 | 182 |
| 1995 | 5.8 | 182 |
| 1994 | 5.8 | 181 |
| 1993 | 5.8 | 181 |
| 1992 | 5.8 | 181 |
| 1991 | 5.8 | 182 |
| 1990 | 5.7 | 181 |