| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 6263907 | 31 |
| 2015 | 6199254 | 31 |
| 2014 | 6132672 | 31 |
| 2013 | 6044437 | 30 |
| 2012 | 5957472 | 30 |
| 2011 | 5871758 | 30 |
| 2010 | 5787392 | 30 |
| 2009 | 5704239 | 29 |
| 2008 | 5622392 | 28 |
| 2007 | 5541499 | 28 |
| 2006 | 5461879 | 27 |
| 2005 | 5383402 | 27 |
| 2004 | 5306159 | 28 |
| 2003 | 5229816 | 28 |
| 2002 | 5154674 | 28 |
| 2001 | 5082325 | 28 |
| 2000 | 5014411 | 28 |
| 1999 | 4947221 | 28 |
| 1998 | 4881022 | 28 |
| 1997 | 4815708 | 28 |
| 1996 | 4751357 | 26 |
| 1995 | 4687691 | 26 |
| 1994 | 4624965 | 25 |
| 1993 | 4563078 | 25 |
| 1992 | 4502102 | 25 |
| 1991 | 4441776 | 25 |
| 1990 | 4413870 | 25 |
| 1989 | 4401955 | 25 |
| 1988 | 4390088 | 24 |
| 1987 | 4378220 | 22 |
| 1986 | 4366400 | 22 |