| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 1310206 | 95 |
| 2015 | 1260146 | 97 |
| 2014 | 1212075 | 100 |
| 2013 | 1165856 | 101 |
| 2012 | 1121400 | 107 |
| 2011 | 1078639 | 109 |
| 2010 | 1037509 | 111 |
| 2009 | 997947 | 111 |
| 2008 | 959944 | 111 |
| 2007 | 923289 | 111 |
| 2006 | 888082 | 112 |
| 2005 | 854217 | 113 |
| 2004 | 821688 | 113 |
| 2003 | 790313 | 114 |
| 2002 | 760176 | 114 |
| 2001 | 731189 | 115 |
| 2000 | 703344 | 115 |
| 1999 | 676488 | 116 |
| 1998 | 650692 | 117 |
| 1997 | 625879 | 118 |
| 1996 | 602045 | 119 |
| 1995 | 579057 | 118 |
| 1994 | 556976 | 123 |
| 1993 | 535737 | 123 |
| 1992 | 515373 | 123 |
| 1991 | 495741 | 123 |
| 1990 | 476883 | 122 |
| 1989 | 458742 | 123 |
| 1988 | 441314 | 124 |
| 1987 | 424503 | 125 |
| 1986 | 408355 | 126 |