| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 61.2 | 165 |
| 2015 | 60.1 | 165 |
| 2014 | 58.9 | 165 |
| 2013 | 57.6 | 165 |
| 2012 | 56.3 | 165 |
| 2011 | 54.9 | 166 |
| 2010 | 53.7 | 166 |
| 2009 | 52.5 | 166 |
| 2008 | 51.4 | 167 |
| 2007 | 50.4 | 167 |
| 2006 | 49.3 | 167 |
| 2005 | 48.3 | 167 |
| 2004 | 47.1 | 167 |
| 2003 | 46 | 167 |
| 2002 | 44.9 | 168 |
| 2001 | 43.8 | 169 |
| 2000 | 42.8 | 169 |
| 1999 | 41.9 | 169 |
| 1998 | 41 | 169 |
| 1997 | 40.2 | 169 |
| 1996 | 39.4 | 169 |
| 1995 | 38.6 | 169 |
| 1994 | 37.8 | 168 |
| 1993 | 37 | 168 |
| 1992 | 36.2 | 168 |
| 1991 | 35.4 | 169 |
| 1990 | 34.4 | 169 |
| 1989 | 33.3 | 168 |
| 1988 | 32.1 | 168 |
| 1987 | 30.8 | 168 |
| 1986 | 29.6 | 168 |