| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 1511.5 | 36 |
| 2015 | 1471.4 | 37 |
| 2014 | 1432 | 37 |
| 2013 | 1393.4 | 38 |
| 2012 | 1355.4 | 40 |
| 2011 | 1318 | 40 |
| 2010 | 1281 | 40 |
| 2009 | 1244.5 | 41 |
| 2008 | 1208.4 | 41 |
| 2007 | 1173.2 | 43 |
| 2006 | 1139.6 | 45 |
| 2005 | 1107.7 | 45 |
| 2004 | 1077.9 | 45 |
| 2003 | 1050.2 | 45 |
| 2002 | 1023.7 | 46 |
| 2001 | 997.7 | 46 |
| 2000 | 971.4 | 46 |
| 1999 | 944 | 48 |
| 1998 | 916.5 | 49 |
| 1997 | 892.8 | 52 |
| 1996 | 873.2 | 52 |
| 1995 | 859.5 | 50 |
| 1994 | 853.2 | 50 |
| 1993 | 853.1 | 49 |
| 1992 | 854.1 | 49 |
| 1991 | 849.5 | 49 |
| 1990 | 834.7 | 49 |
| 1989 | 807.2 | 49 |
| 1988 | 769.3 | 49 |
| 1987 | 725.6 | 49 |
| 1986 | 683.2 | 51 |