| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 3661189 | 43 |
| 2015 | 3608265 | 43 |
| 2014 | 3559410 | 43 |
| 2013 | 3495554 | 44 |
| 2012 | 3432844 | 45 |
| 2011 | 3371090 | 44 |
| 2010 | 3310530 | 44 |
| 2009 | 3251058 | 44 |
| 2008 | 3192734 | 44 |
| 2007 | 3135299 | 44 |
| 2006 | 3078975 | 45 |
| 2005 | 3023663 | 43 |
| 2004 | 2969418 | 43 |
| 2003 | 2916001 | 43 |
| 2002 | 2858956 | 44 |
| 2001 | 2798491 | 43 |
| 2000 | 2739385 | 44 |
| 1999 | 2681369 | 44 |
| 1998 | 2624659 | 45 |
| 1997 | 2569149 | 46 |
| 1996 | 2514887 | 46 |
| 1995 | 2444978 | 46 |
| 1994 | 2361095 | 47 |
| 1993 | 2280089 | 47 |
| 1992 | 2201969 | 47 |
| 1991 | 2126320 | 47 |
| 1990 | 2053370 | 49 |
| 1989 | 1982922 | 50 |
| 1988 | 1914983 | 50 |
| 1987 | 1849194 | 49 |
| 1986 | 1785751 | 48 |