| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 1354 | 40 |
| 2015 | 1368.4 | 39 |
| 2014 | 1381.6 | 39 |
| 2013 | 1397.7 | 37 |
| 2012 | 1410.1 | 37 |
| 2011 | 1422.6 | 36 |
| 2010 | 1436.4 | 35 |
| 2009 | 1450.6 | 34 |
| 2008 | 1465.2 | 34 |
| 2007 | 1481.5 | 34 |
| 2006 | 1498.7 | 33 |
| 2005 | 1517.3 | 32 |
| 2004 | 1537.6 | 32 |
| 2003 | 1557.4 | 31 |
| 2002 | 1577 | 31 |
| 2001 | 1597.7 | 30 |
| 2000 | 1615.7 | 29 |
| 1999 | 1634 | 29 |
| 1998 | 1651.4 | 29 |
| 1997 | 1668.1 | 29 |
| 1996 | 1685.4 | 28 |
| 1995 | 1702.4 | 28 |
| 1994 | 1718 | 28 |
| 1993 | 1728.5 | 27 |
| 1992 | 1729.6 | 27 |
| 1991 | 1726.6 | 27 |
| 1990 | 1725 | 26 |
| 1989 | 1723.1 | 26 |
| 1988 | 1731.2 | 25 |
| 1987 | 1752.7 | 25 |
| 1986 | 1775.2 | 24 |