| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 1949265 | 80 |
| 2015 | 1887625 | 81 |
| 2014 | 1826886 | 82 |
| 2013 | 1749361 | 82 |
| 2012 | 1690862 | 85 |
| 2011 | 1632557 | 85 |
| 2010 | 1574151 | 85 |
| 2009 | 1509237 | 85 |
| 2008 | 1445191 | 86 |
| 2007 | 1383864 | 88 |
| 2006 | 1325139 | 89 |
| 2005 | 1268906 | 89 |
| 2004 | 1215132 | 91 |
| 2003 | 1163498 | 91 |
| 2002 | 1114124 | 92 |
| 2001 | 1066846 | 97 |
| 2000 | 1021635 | 100 |
| 1999 | 978223 | 105 |
| 1998 | 936712 | 105 |
| 1997 | 896962 | 105 |
| 1996 | 858950 | 106 |
| 1995 | 830327 | 106 |
| 1994 | 803255 | 106 |
| 1993 | 777065 | 106 |
| 1992 | 751764 | 107 |
| 1991 | 727220 | 106 |
| 1990 | 703509 | 106 |
| 1989 | 680572 | 106 |
| 1988 | 658412 | 107 |
| 1987 | 636916 | 107 |
| 1986 | 616150 | 106 |