| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 3653028 | 44 |
| 2015 | 3520215 | 46 |
| 2014 | 3392848 | 47 |
| 2013 | 3270447 | 47 |
| 2012 | 3152463 | 47 |
| 2011 | 3038734 | 48 |
| 2010 | 2929109 | 48 |
| 2009 | 2823438 | 51 |
| 2008 | 2721579 | 53 |
| 2007 | 2623396 | 53 |
| 2006 | 2528754 | 53 |
| 2005 | 2437526 | 54 |
| 2004 | 2349590 | 54 |
| 2003 | 2264826 | 54 |
| 2002 | 2183120 | 56 |
| 2001 | 2104363 | 58 |
| 2000 | 2028549 | 58 |
| 1999 | 1955268 | 59 |
| 1998 | 1884730 | 59 |
| 1997 | 1816737 | 60 |
| 1996 | 1751286 | 62 |
| 1995 | 1688021 | 64 |
| 1994 | 1627125 | 66 |
| 1993 | 1568425 | 67 |
| 1992 | 1511919 | 69 |
| 1991 | 1457302 | 68 |
| 1990 | 1404728 | 67 |
| 1989 | 1354052 | 68 |
| 1988 | 1305269 | 68 |
| 1987 | 1255814 | 68 |
| 1986 | 1208063 | 67 |