时间 | 值 (人/平方公里) | 世界排名 |
---|---|---|
2016 | 22.8 | 175 |
2015 | 22.2 | 175 |
2014 | 21.5 | 173 |
2013 | 20.9 | 172 |
2012 | 20.3 | 172 |
2011 | 19.8 | 174 |
2010 | 19.2 | 175 |
2009 | 18.7 | 176 |
2008 | 18.1 | 176 |
2007 | 17.6 | 177 |
2006 | 17.1 | 178 |
2005 | 16.6 | 178 |
2004 | 16.1 | 178 |
2003 | 15.7 | 177 |
2002 | 15.2 | 177 |
2001 | 14.8 | 178 |
2000 | 14.4 | 179 |
1999 | 13.9 | 177 |
1998 | 13.4 | 177 |
1997 | 13 | 178 |
1996 | 12.6 | 178 |
1995 | 12.3 | 178 |
1994 | 12.1 | 176 |
1993 | 12 | 174 |
1992 | 11.9 | 172 |
1991 | 11.9 | 173 |
1990 | 11.8 | 170 |
1989 | 11.6 | 167 |
1988 | 11.4 | 168 |
1987 | 11.2 | 167 |
1986 | 11 | 167 |