| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 261.8 | 95 |
| 2015 | 262.8 | 95 |
| 2014 | 263.5 | 95 |
| 2013 | 263.9 | 95 |
| 2012 | 264.3 | 94 |
| 2011 | 264.7 | 95 |
| 2010 | 265.2 | 94 |
| 2009 | 265.9 | 96 |
| 2008 | 266.8 | 96 |
| 2007 | 267.7 | 95 |
| 2006 | 268.5 | 95 |
| 2005 | 269.3 | 96 |
| 2004 | 269.9 | 96 |
| 2003 | 270.5 | 96 |
| 2002 | 271.6 | 96 |
| 2001 | 273.5 | 96 |
| 2000 | 275.2 | 95 |
| 1999 | 276.8 | 94 |
| 1998 | 278.2 | 94 |
| 1997 | 279.6 | 94 |
| 1996 | 280.3 | 93 |
| 1995 | 280.5 | 93 |
| 1994 | 280.7 | 94 |
| 1993 | 280.9 | 94 |
| 1992 | 280.9 | 94 |
| 1991 | 280.7 | 93 |
| 1990 | 281.9 | 93 |
| 1989 | 284.3 | 92 |
| 1988 | 286.4 | 90 |
| 1987 | 288.4 | 90 |
| 1986 | 290.5 | 90 |