| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 123.9 | 84 |
| 2015 | 124.1 | 83 |
| 2014 | 124.1 | 80 |
| 2013 | 124.2 | 79 |
| 2012 | 124.3 | 79 |
| 2011 | 124.3 | 78 |
| 2010 | 124.2 | 78 |
| 2009 | 124.6 | 76 |
| 2008 | 124.5 | 75 |
| 2007 | 124.4 | 76 |
| 2006 | 124.5 | 76 |
| 2005 | 124.6 | 75 |
| 2004 | 124.6 | 73 |
| 2003 | 124.8 | 73 |
| 2002 | 124.8 | 73 |
| 2001 | 124.9 | 70 |
| 2000 | 124.9 | 69 |
| 1999 | 126.2 | 66 |
| 1998 | 126.2 | 65 |
| 1997 | 126.2 | 63 |
| 1996 | 126.1 | 63 |
| 1995 | 126 | 62 |
| 1994 | 125.8 | 61 |
| 1993 | 125.6 | 61 |
| 1992 | 125.3 | 60 |
| 1991 | 124.9 | 59 |
| 1990 | 124.4 | 57 |
| 1989 | 123.9 | 57 |
| 1988 | 123.5 | 56 |
| 1987 | 123 | 55 |
| 1986 | 122.3 | 55 |