| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 55.2 | 148 |
| 2015 | 54.9 | 148 |
| 2014 | 54.6 | 147 |
| 2013 | 54.3 | 147 |
| 2012 | 54 | 147 |
| 2011 | 53.7 | 148 |
| 2010 | 53.6 | 148 |
| 2009 | 53.5 | 148 |
| 2008 | 53.6 | 147 |
| 2007 | 53.7 | 147 |
| 2006 | 53.8 | 147 |
| 2005 | 53.8 | 146 |
| 2004 | 53.8 | 146 |
| 2003 | 53.8 | 146 |
| 2002 | 53.7 | 146 |
| 2001 | 53.7 | 146 |
| 2000 | 53.7 | 146 |
| 1999 | 53.8 | 146 |
| 1998 | 53.9 | 145 |
| 1997 | 54 | 145 |
| 1996 | 54.1 | 145 |
| 1995 | 53.9 | 143 |
| 1994 | 53.7 | 143 |
| 1993 | 53.3 | 143 |
| 1992 | 52.8 | 144 |
| 1991 | 52.5 | 144 |
| 1990 | 52.3 | 143 |
| 1989 | 52.4 | 141 |
| 1988 | 52.7 | 141 |
| 1987 | 53.1 | 140 |
| 1986 | 53.6 | 140 |