| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 6543879 | 29 |
| 2015 | 6507400 | 29 |
| 2014 | 6471801 | 29 |
| 2013 | 6420560 | 27 |
| 2012 | 6369726 | 27 |
| 2011 | 6319294 | 27 |
| 2010 | 6269330 | 26 |
| 2009 | 6219761 | 26 |
| 2008 | 6170651 | 26 |
| 2007 | 6121796 | 26 |
| 2006 | 6073393 | 26 |
| 2005 | 6025373 | 26 |
| 2004 | 5977798 | 26 |
| 2003 | 5930470 | 26 |
| 2002 | 5883580 | 26 |
| 2001 | 5776553 | 26 |
| 2000 | 5658363 | 25 |
| 1999 | 5542276 | 25 |
| 1998 | 5428725 | 25 |
| 1997 | 5317500 | 25 |
| 1996 | 5208702 | 24 |
| 1995 | 5101840 | 24 |
| 1994 | 4997312 | 24 |
| 1993 | 4894926 | 24 |
| 1992 | 4794775 | 24 |
| 1991 | 4703587 | 24 |
| 1990 | 4615919 | 24 |
| 1989 | 4529884 | 23 |
| 1988 | 4445568 | 23 |
| 1987 | 4362596 | 23 |
| 1986 | 4281283 | 23 |