| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 7364933 | 26 |
| 2015 | 7313557 | 25 |
| 2014 | 7259569 | 25 |
| 2013 | 7203836 | 25 |
| 2012 | 7148493 | 25 |
| 2011 | 7096359 | 25 |
| 2010 | 7049514 | 25 |
| 2009 | 7006930 | 25 |
| 2008 | 6967866 | 25 |
| 2007 | 6934748 | 25 |
| 2006 | 6910671 | 25 |
| 2005 | 6896686 | 24 |
| 2004 | 6896523 | 24 |
| 2003 | 6906631 | 23 |
| 2002 | 6912079 | 21 |
| 2001 | 6892752 | 21 |
| 2000 | 6835301 | 21 |
| 1999 | 6732627 | 21 |
| 1998 | 6591717 | 21 |
| 1997 | 6430651 | 21 |
| 1996 | 6275363 | 20 |
| 1995 | 6144498 | 20 |
| 1994 | 6044449 | 21 |
| 1993 | 5969419 | 21 |
| 1992 | 5909798 | 21 |
| 1991 | 5846011 | 21 |
| 1990 | 5766038 | 21 |
| 1989 | 5670921 | 21 |
| 1988 | 5549906 | 20 |
| 1987 | 5390325 | 20 |
| 1986 | 5171473 | 20 |