| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 62.3 | 153 |
| 2015 | 61.7 | 151 |
| 2014 | 60.9 | 152 |
| 2013 | 59.9 | 152 |
| 2012 | 59.4 | 151 |
| 2011 | 59 | 152 |
| 2010 | 58.8 | 152 |
| 2009 | 57.4 | 152 |
| 2008 | 56.1 | 152 |
| 2007 | 55 | 151 |
| 2006 | 53.5 | 152 |
| 2005 | 52.1 | 152 |
| 2004 | 51.1 | 151 |
| 2003 | 49.6 | 151 |
| 2002 | 47.6 | 151 |
| 2001 | 46.5 | 151 |
| 2000 | 44.5 | 151 |
| 1999 | 40.2 | 152 |
| 1998 | 39.1 | 152 |
| 1997 | 38.4 | 152 |
| 1996 | 37.4 | 152 |
| 1995 | 36.1 | 152 |
| 1994 | 35.5 | 151 |
| 1993 | 34.7 | 151 |
| 1992 | 33.4 | 151 |
| 1991 | 33 | 152 |
| 1990 | 31.9 | 152 |