| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 2256.1 | 29 |
| 2015 | 2265.6 | 29 |
| 2014 | 2273.4 | 28 |
| 2013 | 2283.8 | 28 |
| 2012 | 2271.6 | 28 |
| 2011 | 2297.3 | 28 |
| 2010 | 2306.3 | 27 |
| 2009 | 2310.4 | 27 |
| 2008 | 2318 | 26 |
| 2007 | 2327.2 | 24 |
| 2006 | 2335.6 | 24 |
| 2005 | 2343.1 | 24 |
| 2004 | 2322.1 | 24 |
| 2003 | 2322.8 | 22 |
| 2002 | 2331 | 22 |
| 2001 | 2335 | 21 |
| 2000 | 2367.2 | 20 |
| 1999 | 2396.5 | 19 |
| 1998 | 2424.3 | 19 |
| 1997 | 2452.2 | 19 |
| 1996 | 2482.1 | 19 |
| 1995 | 2510.7 | 18 |
| 1994 | 2535.6 | 18 |
| 1993 | 2551.3 | 18 |
| 1992 | 2558.1 | 17 |
| 1991 | 2561.7 | 17 |
| 1990 | 2568.4 | 17 |