| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 2738588 | 64 |
| 2015 | 2609744 | 64 |
| 2014 | 2486592 | 65 |
| 2013 | 2361030 | 66 |
| 2012 | 2241809 | 66 |
| 2011 | 2128608 | 68 |
| 2010 | 2021267 | 70 |
| 2009 | 1919339 | 72 |
| 2008 | 1822681 | 74 |
| 2007 | 1730644 | 76 |
| 2006 | 1643372 | 78 |
| 2005 | 1560716 | 78 |
| 2004 | 1519875 | 78 |
| 2003 | 1479995 | 78 |
| 2002 | 1441214 | 78 |
| 2001 | 1403449 | 79 |
| 2000 | 1361482 | 78 |
| 1999 | 1320660 | 78 |
| 1998 | 1281115 | 78 |
| 1997 | 1242754 | 78 |
| 1996 | 1205593 | 78 |
| 1995 | 1169444 | 79 |
| 1994 | 1134427 | 84 |
| 1993 | 1098709 | 85 |
| 1992 | 1046090 | 87 |
| 1991 | 995856 | 91 |
| 1990 | 948098 | 91 |
| 1989 | 902631 | 92 |
| 1988 | 859403 | 91 |
| 1987 | 818134 | 92 |
| 1986 | 778899 | 93 |