| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 17121434 | 9 |
| 2015 | 16617644 | 9 |
| 2014 | 16125936 | 9 |
| 2013 | 15588347 | 9 |
| 2012 | 15068678 | 9 |
| 2011 | 14566334 | 9 |
| 2010 | 14080737 | 10 |
| 2009 | 13611328 | 10 |
| 2008 | 13157567 | 10 |
| 2007 | 12718934 | 10 |
| 2006 | 12294923 | 10 |
| 2005 | 11885048 | 10 |
| 2004 | 11488836 | 10 |
| 2003 | 11105833 | 10 |
| 2002 | 10735599 | 10 |
| 2001 | 10377706 | 10 |
| 2000 | 10031745 | 10 |
| 1999 | 9697317 | 13 |
| 1998 | 9374038 | 14 |
| 1997 | 9061536 | 14 |
| 1996 | 8759861 | 13 |
| 1995 | 8467439 | 13 |
| 1994 | 8185160 | 15 |
| 1993 | 7912292 | 15 |
| 1992 | 7648877 | 15 |
| 1991 | 7393542 | 15 |
| 1990 | 7147064 | 15 |
| 1989 | 6908802 | 15 |
| 1988 | 6678796 | 15 |
| 1987 | 6455844 | 15 |
| 1986 | 6240626 | 15 |