| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 11841899 | 27 |
| 2015 | 11525737 | 27 |
| 2014 | 11223586 | 28 |
| 2013 | 10932769 | 28 |
| 2012 | 10649708 | 29 |
| 2011 | 10374191 | 29 |
| 2010 | 10106011 | 29 |
| 2009 | 9844966 | 29 |
| 2008 | 9591205 | 29 |
| 2007 | 8915474 | 29 |
| 2006 | 8939278 | 29 |
| 2005 | 8969989 | 28 |
| 2004 | 9007546 | 28 |
| 2003 | 9052115 | 28 |
| 2002 | 8811718 | 28 |
| 2001 | 8577838 | 28 |
| 2000 | 8350605 | 28 |
| 1999 | 8128914 | 28 |
| 1998 | 7913522 | 28 |
| 1997 | 7696091 | 28 |
| 1996 | 7466857 | 28 |
| 1995 | 7244630 | 29 |
| 1994 | 7030058 | 30 |
| 1993 | 6822555 | 29 |
| 1992 | 6622132 | 29 |
| 1991 | 6427720 | 28 |
| 1990 | 6239896 | 28 |
| 1989 | 6058158 | 28 |
| 1988 | 5882521 | 28 |
| 1987 | 5703383 | 28 |
| 1986 | 5511129 | 28 |