| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 2128932 | 75 |
| 2015 | 2137097 | 74 |
| 2014 | 2146128 | 72 |
| 2013 | 2150763 | 71 |
| 2012 | 2155408 | 69 |
| 2011 | 2160076 | 64 |
| 2010 | 2164747 | 62 |
| 2009 | 2169428 | 63 |
| 2008 | 2174113 | 61 |
| 2007 | 2178822 | 61 |
| 2006 | 2183534 | 60 |
| 2005 | 2188256 | 59 |
| 2004 | 2192981 | 59 |
| 2003 | 2197730 | 57 |
| 2002 | 2200288 | 54 |
| 2001 | 2193102 | 54 |
| 2000 | 2185949 | 54 |
| 1999 | 2178800 | 51 |
| 1998 | 2171684 | 51 |
| 1997 | 2164591 | 49 |
| 1996 | 2157531 | 49 |
| 1995 | 2150475 | 48 |
| 1994 | 2143452 | 48 |
| 1993 | 2136451 | 48 |
| 1992 | 2129483 | 48 |
| 1991 | 2122518 | 48 |
| 1990 | 2108381 | 45 |
| 1989 | 2087244 | 45 |
| 1988 | 2066348 | 43 |
| 1987 | 2045604 | 42 |
| 1986 | 2025096 | 43 |