| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 73.2 | 141 |
| 2015 | 70.6 | 142 |
| 2014 | 68 | 143 |
| 2013 | 65.5 | 144 |
| 2012 | 62.9 | 144 |
| 2011 | 60.3 | 146 |
| 2010 | 57.8 | 146 |
| 2009 | 55.3 | 146 |
| 2008 | 52.9 | 148 |
| 2007 | 50.6 | 148 |
| 2006 | 48.4 | 148 |
| 2005 | 46.3 | 148 |
| 2004 | 44.3 | 149 |
| 2003 | 42.5 | 149 |
| 2002 | 40.8 | 152 |
| 2001 | 39.2 | 152 |
| 2000 | 37.6 | 152 |
| 1999 | 36.1 | 152 |
| 1998 | 34.7 | 152 |
| 1997 | 33.3 | 152 |
| 1996 | 32.1 | 152 |
| 1995 | 30.9 | 153 |
| 1994 | 29.8 | 155 |
| 1993 | 29.3 | 155 |
| 1992 | 28.8 | 155 |
| 1991 | 28.3 | 156 |
| 1990 | 27.9 | 156 |
| 1989 | 27.4 | 155 |
| 1988 | 27 | 155 |
| 1987 | 26.6 | 155 |
| 1986 | 26 | 156 |