| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 6810608 | 28 |
| 2015 | 6642848 | 28 |
| 2014 | 6483209 | 28 |
| 2013 | 6329710 | 29 |
| 2012 | 6179846 | 29 |
| 2011 | 6033529 | 28 |
| 2010 | 5890677 | 28 |
| 2009 | 5751207 | 28 |
| 2008 | 5615224 | 29 |
| 2007 | 5054066 | 31 |
| 2006 | 5188866 | 29 |
| 2005 | 5327261 | 28 |
| 2004 | 5469150 | 27 |
| 2003 | 5615224 | 27 |
| 2002 | 5473174 | 27 |
| 2001 | 5334718 | 27 |
| 2000 | 5199948 | 27 |
| 1999 | 5068225 | 27 |
| 1998 | 4940013 | 27 |
| 1997 | 4818251 | 27 |
| 1996 | 4707191 | 28 |
| 1995 | 4598395 | 27 |
| 1994 | 4492259 | 27 |
| 1993 | 4388572 | 26 |
| 1992 | 4287416 | 26 |
| 1991 | 4188322 | 26 |
| 1990 | 4091650 | 26 |
| 1989 | 3997210 | 26 |
| 1988 | 3905075 | 26 |
| 1987 | 3810221 | 26 |
| 1986 | 3707138 | 26 |