| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 360.4 | 32 |
| 2015 | 355.8 | 32 |
| 2014 | 351.1 | 30 |
| 2013 | 346.4 | 31 |
| 2012 | 342.5 | 31 |
| 2011 | 339.7 | 31 |
| 2010 | 334.9 | 31 |
| 2009 | 330.7 | 30 |
| 2008 | 328.6 | 30 |
| 2007 | 324.5 | 30 |
| 2006 | 318.1 | 30 |
| 2005 | 310 | 30 |
| 2004 | 302.2 | 32 |
| 2003 | 297.1 | 33 |
| 2002 | 291 | 35 |
| 2001 | 290.6 | 34 |
| 2000 | 301.5 | 29 |
| 1999 | 314 | 23 |
| 1998 | 325.4 | 23 |
| 1997 | 331 | 22 |
| 1996 | 329.5 | 21 |
| 1995 | 326.9 | 21 |
| 1994 | 325.7 | 21 |
| 1993 | 325 | 21 |
| 1992 | 324.1 | 21 |
| 1991 | 325.2 | 21 |
| 1990 | 327.5 | 21 |
| 1989 | 330.9 | 20 |
| 1988 | 336.2 | 20 |
| 1987 | 341.1 | 19 |
| 1986 | 343.8 | 18 |