| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 2923474 | 61 |
| 2015 | 2741128 | 63 |
| 2014 | 2565194 | 63 |
| 2013 | 2384157 | 65 |
| 2012 | 2215896 | 68 |
| 2011 | 2059511 | 71 |
| 2010 | 1914162 | 75 |
| 2009 | 1779072 | 77 |
| 2008 | 1653515 | 80 |
| 2007 | 1536819 | 81 |
| 2006 | 1428359 | 84 |
| 2005 | 1327553 | 86 |
| 2004 | 1233987 | 91 |
| 2003 | 1146783 | 93 |
| 2002 | 1065850 | 100 |
| 2001 | 990628 | 107 |
| 2000 | 920808 | 107 |
| 1999 | 855737 | 107 |
| 1998 | 795344 | 107 |
| 1997 | 739213 | 108 |
| 1996 | 696309 | 108 |
| 1995 | 666861 | 107 |
| 1994 | 638696 | 108 |
| 1993 | 611721 | 110 |
| 1992 | 585920 | 110 |
| 1991 | 561141 | 110 |
| 1990 | 537441 | 110 |
| 1989 | 514742 | 110 |
| 1988 | 493032 | 110 |
| 1987 | 472181 | 110 |
| 1986 | 452238 | 109 |