| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 26453827 | 2 |
| 2015 | 25703168 | 2 |
| 2014 | 24953311 | 2 |
| 2013 | 24161909 | 2 |
| 2012 | 23395607 | 2 |
| 2011 | 22653608 | 2 |
| 2010 | 21935142 | 2 |
| 2009 | 21239462 | 2 |
| 2008 | 20566759 | 2 |
| 2007 | 19913595 | 2 |
| 2006 | 19282029 | 3 |
| 2005 | 18670494 | 3 |
| 2004 | 18079156 | 3 |
| 2003 | 17504993 | 5 |
| 2002 | 17030562 | 5 |
| 2001 | 16753128 | 5 |
| 2000 | 16366787 | 5 |
| 1999 | 15932535 | 5 |
| 1998 | 15510378 | 5 |
| 1997 | 15099407 | 5 |
| 1996 | 14699869 | 5 |
| 1995 | 14309845 | 5 |
| 1994 | 13930684 | 5 |
| 1993 | 13561569 | 5 |
| 1992 | 13202723 | 5 |
| 1991 | 12852422 | 5 |
| 1990 | 12436423 | 5 |
| 1989 | 11997400 | 5 |
| 1988 | 11574447 | 5 |
| 1987 | 11165300 | 5 |
| 1986 | 10771149 | 5 |