| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 1184771 | 104 |
| 2015 | 1169371 | 106 |
| 2014 | 1154896 | 105 |
| 2013 | 1140982 | 106 |
| 2012 | 1127236 | 106 |
| 2011 | 1113655 | 104 |
| 2010 | 1100238 | 104 |
| 2009 | 1086983 | 105 |
| 2008 | 1073906 | 106 |
| 2007 | 1060950 | 106 |
| 2006 | 1048168 | 107 |
| 2005 | 1037262 | 107 |
| 2004 | 1026882 | 107 |
| 2003 | 1016577 | 107 |
| 2002 | 1006390 | 108 |
| 2001 | 997311 | 105 |
| 2000 | 988539 | 105 |
| 1999 | 979819 | 104 |
| 1998 | 971189 | 103 |
| 1997 | 962634 | 103 |
| 1996 | 954167 | 98 |
| 1995 | 946490 | 97 |
| 1994 | 939041 | 97 |
| 1993 | 931651 | 94 |
| 1992 | 924328 | 93 |
| 1991 | 917043 | 93 |
| 1990 | 916371 | 92 |
| 1989 | 917457 | 88 |
| 1988 | 918542 | 86 |
| 1987 | 919631 | 84 |
| 1986 | 920720 | 84 |