| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 3316220 | 48 |
| 2015 | 3237525 | 48 |
| 2014 | 3168043 | 48 |
| 2013 | 3103874 | 48 |
| 2012 | 3041005 | 49 |
| 2011 | 2979240 | 49 |
| 2010 | 2918813 | 49 |
| 2009 | 2859611 | 49 |
| 2008 | 2801689 | 50 |
| 2007 | 2744785 | 51 |
| 2006 | 2688909 | 52 |
| 2005 | 2634150 | 51 |
| 2004 | 2580579 | 50 |
| 2003 | 2527954 | 50 |
| 2002 | 2476473 | 51 |
| 2001 | 2426040 | 50 |
| 2000 | 2376701 | 50 |
| 1999 | 2328234 | 49 |
| 1998 | 2280820 | 49 |
| 1997 | 2234371 | 48 |
| 1996 | 2188930 | 48 |
| 1995 | 2144292 | 49 |
| 1994 | 2090056 | 50 |
| 1993 | 2010869 | 51 |
| 1992 | 1934786 | 52 |
| 1991 | 1861383 | 52 |
| 1990 | 1790860 | 53 |
| 1989 | 1723009 | 54 |
| 1988 | 1657818 | 55 |
| 1987 | 1594922 | 57 |
| 1986 | 1534495 | 59 |