| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 9778699 | 21 |
| 2015 | 9773746 | 20 |
| 2014 | 9775377 | 19 |
| 2013 | 9780542 | 19 |
| 2012 | 9785709 | 19 |
| 2011 | 9790879 | 17 |
| 2010 | 9796045 | 16 |
| 2009 | 9801214 | 16 |
| 2008 | 9806379 | 16 |
| 2007 | 9811560 | 15 |
| 2006 | 9816737 | 15 |
| 2005 | 9822447 | 15 |
| 2004 | 9829194 | 15 |
| 2003 | 9835965 | 14 |
| 2002 | 9842731 | 14 |
| 2001 | 9849502 | 13 |
| 2000 | 9878468 | 13 |
| 1999 | 9951226 | 9 |
| 1998 | 10024419 | 9 |
| 1997 | 10098151 | 9 |
| 1996 | 10172322 | 9 |
| 1995 | 10247244 | 9 |
| 1994 | 10322615 | 8 |
| 1993 | 10398540 | 8 |
| 1992 | 10474917 | 8 |
| 1991 | 10552068 | 7 |
| 1990 | 10517565 | 6 |
| 1989 | 10269343 | 7 |
| 1988 | 10027310 | 7 |
| 1987 | 9790337 | 7 |
| 1986 | 9559279 | 7 |