| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 3046479 | 58 |
| 2015 | 3051899 | 57 |
| 2014 | 3059914 | 57 |
| 2013 | 3069353 | 57 |
| 2012 | 3078820 | 56 |
| 2011 | 3088317 | 55 |
| 2010 | 3097843 | 55 |
| 2009 | 3107398 | 55 |
| 2008 | 3116970 | 55 |
| 2007 | 3126598 | 54 |
| 2006 | 3136242 | 52 |
| 2005 | 3145916 | 52 |
| 2004 | 3155606 | 52 |
| 2003 | 3165353 | 52 |
| 2002 | 3175117 | 49 |
| 2001 | 3184911 | 48 |
| 2000 | 3179434 | 46 |
| 1999 | 3167780 | 46 |
| 1998 | 3156184 | 46 |
| 1997 | 3144631 | 46 |
| 1996 | 3133137 | 45 |
| 1995 | 3121652 | 43 |
| 1994 | 3110226 | 43 |
| 1993 | 3098841 | 42 |
| 1992 | 3087513 | 42 |
| 1991 | 3076196 | 42 |
| 1990 | 3069647 | 41 |
| 1989 | 3065038 | 41 |
| 1988 | 3060443 | 41 |
| 1987 | 3055841 | 41 |
| 1986 | 3051253 | 41 |