| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 30183054 | 8 |
| 2015 | 30090188 | 8 |
| 2014 | 29990939 | 8 |
| 2013 | 29773699 | 8 |
| 2012 | 29558825 | 8 |
| 2011 | 29346287 | 8 |
| 2010 | 29136059 | 8 |
| 2009 | 28928111 | 8 |
| 2008 | 28722710 | 8 |
| 2007 | 28518973 | 8 |
| 2006 | 28317728 | 8 |
| 2005 | 28118665 | 8 |
| 2004 | 27922031 | 8 |
| 2003 | 27726994 | 8 |
| 2002 | 27551848 | 7 |
| 2001 | 27425969 | 7 |
| 2000 | 27303269 | 7 |
| 1999 | 27183205 | 7 |
| 1998 | 27073560 | 7 |
| 1997 | 26950159 | 7 |
| 1996 | 26814022 | 7 |
| 1995 | 26729591 | 7 |
| 1994 | 26694861 | 7 |
| 1993 | 26717142 | 7 |
| 1992 | 26795030 | 7 |
| 1991 | 26820226 | 7 |
| 1990 | 26793111 | 7 |
| 1989 | 26766482 | 7 |
| 1988 | 26619814 | 7 |
| 1987 | 26369104 | 7 |
| 1986 | 26121211 | 7 |