| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 2285349 | 71 |
| 2015 | 2179470 | 73 |
| 2014 | 2078426 | 74 |
| 2013 | 1982041 | 75 |
| 2012 | 1890126 | 76 |
| 2011 | 1802473 | 78 |
| 2010 | 1718885 | 79 |
| 2009 | 1639174 | 82 |
| 2008 | 1563261 | 83 |
| 2007 | 1490669 | 83 |
| 2006 | 1421541 | 85 |
| 2005 | 1355619 | 84 |
| 2004 | 1292838 | 86 |
| 2003 | 1232803 | 86 |
| 2002 | 1175634 | 90 |
| 2001 | 1121115 | 90 |
| 2000 | 1073299 | 96 |
| 1999 | 1036489 | 98 |
| 1998 | 1000989 | 99 |
| 1997 | 966706 | 103 |
| 1996 | 933641 | 103 |
| 1995 | 901621 | 103 |
| 1994 | 870740 | 103 |
| 1993 | 840918 | 102 |
| 1992 | 812155 | 102 |
| 1991 | 784302 | 102 |
| 1990 | 757433 | 101 |
| 1989 | 731445 | 100 |
| 1988 | 706384 | 100 |
| 1987 | 682115 | 99 |
| 1986 | 658712 | 99 |