| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 2756100 | 60 |
| 2015 | 2709329 | 60 |
| 2014 | 2663938 | 59 |
| 2013 | 2619952 | 58 |
| 2012 | 2576692 | 57 |
| 2011 | 2534147 | 56 |
| 2010 | 2492304 | 56 |
| 2009 | 2451152 | 58 |
| 2008 | 2410734 | 58 |
| 2007 | 2370874 | 58 |
| 2006 | 2331727 | 57 |
| 2005 | 2293226 | 56 |
| 2004 | 2255412 | 55 |
| 2003 | 2218121 | 56 |
| 2002 | 2181496 | 57 |
| 2001 | 2135860 | 57 |
| 2000 | 2077375 | 57 |
| 1999 | 2020337 | 57 |
| 1998 | 1964940 | 58 |
| 1997 | 1911062 | 58 |
| 1996 | 1858733 | 58 |
| 1995 | 1807698 | 58 |
| 1994 | 1758132 | 58 |
| 1993 | 1709925 | 57 |
| 1992 | 1663103 | 58 |
| 1991 | 1617439 | 60 |
| 1990 | 1571615 | 59 |
| 1989 | 1524967 | 61 |
| 1988 | 1479765 | 62 |
| 1987 | 1435783 | 63 |
| 1986 | 1393166 | 63 |