| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 2901521 | 57 |
| 2015 | 2884297 | 56 |
| 2014 | 2868856 | 54 |
| 2013 | 2854424 | 52 |
| 2012 | 2840065 | 53 |
| 2011 | 2825778 | 53 |
| 2010 | 2811563 | 52 |
| 2009 | 2797419 | 52 |
| 2008 | 2783367 | 51 |
| 2007 | 2769346 | 50 |
| 2006 | 2755415 | 49 |
| 2005 | 2741554 | 48 |
| 2004 | 2727782 | 48 |
| 2003 | 2714041 | 47 |
| 2002 | 2700389 | 46 |
| 2001 | 2686804 | 46 |
| 2000 | 2672448 | 45 |
| 1999 | 2657754 | 45 |
| 1998 | 2643161 | 44 |
| 1997 | 2628648 | 44 |
| 1996 | 2614235 | 44 |
| 1995 | 2599861 | 43 |
| 1994 | 2585585 | 44 |
| 1993 | 2571389 | 44 |
| 1992 | 2557289 | 43 |
| 1991 | 2543228 | 42 |
| 1990 | 2537263 | 40 |
| 1989 | 2533450 | 40 |
| 1988 | 2529647 | 40 |
| 1987 | 2525840 | 38 |
| 1986 | 2522044 | 38 |