| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 1778782 | 83 |
| 2015 | 1731286 | 84 |
| 2014 | 1684308 | 87 |
| 2013 | 1638852 | 87 |
| 2012 | 1594624 | 87 |
| 2011 | 1551589 | 87 |
| 2010 | 1509715 | 86 |
| 2009 | 1468972 | 88 |
| 2008 | 1429328 | 88 |
| 2007 | 1390754 | 87 |
| 2006 | 1353271 | 88 |
| 2005 | 1316798 | 87 |
| 2004 | 1281357 | 86 |
| 2003 | 1246775 | 84 |
| 2002 | 1213173 | 85 |
| 2001 | 1180476 | 86 |
| 2000 | 1148703 | 86 |
| 1999 | 1117702 | 88 |
| 1998 | 1087578 | 90 |
| 1997 | 1011148 | 94 |
| 1996 | 919470 | 103 |
| 1995 | 835885 | 105 |
| 1994 | 759998 | 107 |
| 1993 | 691000 | 110 |
| 1992 | 664712 | 110 |
| 1991 | 639356 | 112 |
| 1990 | 615000 | 112 |
| 1989 | 571723 | 114 |
| 1988 | 531545 | 117 |
| 1987 | 494091 | 117 |
| 1986 | 459322 | 118 |