| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 963195 | 120 |
| 2015 | 956233 | 120 |
| 2014 | 950736 | 117 |
| 2013 | 946022 | 117 |
| 2012 | 941331 | 115 |
| 2011 | 936664 | 115 |
| 2010 | 932019 | 115 |
| 2009 | 927398 | 114 |
| 2008 | 922799 | 113 |
| 2007 | 918224 | 112 |
| 2006 | 913670 | 110 |
| 2005 | 909140 | 110 |
| 2004 | 904632 | 109 |
| 2003 | 900133 | 109 |
| 2002 | 895664 | 109 |
| 2001 | 891216 | 109 |
| 2000 | 886797 | 108 |
| 1999 | 882387 | 106 |
| 1998 | 878006 | 106 |
| 1997 | 873646 | 106 |
| 1996 | 869314 | 105 |
| 1995 | 864991 | 104 |
| 1994 | 840760 | 105 |
| 1993 | 812914 | 105 |
| 1992 | 786027 | 106 |
| 1991 | 759958 | 105 |
| 1990 | 734788 | 105 |
| 1989 | 710451 | 104 |
| 1988 | 686953 | 104 |
| 1987 | 664170 | 104 |
| 1986 | 642172 | 103 |