| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 15192739 | 22 |
| 2015 | 15084221 | 22 |
| 2014 | 14981623 | 22 |
| 2013 | 14882536 | 22 |
| 2012 | 14784135 | 22 |
| 2011 | 14686415 | 22 |
| 2010 | 14589371 | 21 |
| 2009 | 14492999 | 21 |
| 2008 | 14397425 | 21 |
| 2007 | 14302250 | 21 |
| 2006 | 14207864 | 20 |
| 2005 | 14114133 | 20 |
| 2004 | 14021176 | 20 |
| 2003 | 13928607 | 20 |
| 2002 | 13836807 | 20 |
| 2001 | 13745642 | 20 |
| 2000 | 13655230 | 19 |
| 1999 | 13565197 | 19 |
| 1998 | 13501532 | 18 |
| 1997 | 13450352 | 17 |
| 1996 | 13399440 | 17 |
| 1995 | 13348583 | 17 |
| 1994 | 13297994 | 17 |
| 1993 | 13247599 | 16 |
| 1992 | 13197469 | 16 |
| 1991 | 13147392 | 16 |
| 1990 | 13097578 | 15 |
| 1989 | 13021834 | 14 |
| 1988 | 12934334 | 14 |
| 1987 | 12847296 | 13 |
| 1986 | 12761075 | 13 |