| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 1988702 | 79 |
| 2015 | 1936045 | 78 |
| 2014 | 1885989 | 79 |
| 2013 | 1828300 | 80 |
| 2012 | 1772376 | 79 |
| 2011 | 1718162 | 80 |
| 2010 | 1665606 | 82 |
| 2009 | 1614658 | 83 |
| 2008 | 1565269 | 81 |
| 2007 | 1517390 | 81 |
| 2006 | 1470976 | 81 |
| 2005 | 1425981 | 81 |
| 2004 | 1382363 | 81 |
| 2003 | 1340079 | 80 |
| 2002 | 1299088 | 80 |
| 2001 | 1259352 | 80 |
| 2000 | 1220830 | 80 |
| 1999 | 1183487 | 82 |
| 1998 | 1147286 | 83 |
| 1997 | 1112193 | 88 |
| 1996 | 1078173 | 88 |
| 1995 | 1045105 | 90 |
| 1994 | 1013094 | 90 |
| 1993 | 982063 | 90 |
| 1992 | 952024 | 91 |
| 1991 | 922825 | 92 |
| 1990 | 894559 | 94 |
| 1989 | 867159 | 93 |
| 1988 | 840635 | 93 |
| 1987 | 814852 | 93 |
| 1986 | 789893 | 91 |