| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 1324403 | 94 |
| 2015 | 1313557 | 94 |
| 2014 | 1302883 | 94 |
| 2013 | 1292340 | 93 |
| 2012 | 1281883 | 93 |
| 2011 | 1271510 | 93 |
| 2010 | 1261221 | 93 |
| 2009 | 1251015 | 93 |
| 2008 | 1240906 | 91 |
| 2007 | 1230850 | 91 |
| 2006 | 1220890 | 92 |
| 2005 | 1211011 | 92 |
| 2004 | 1201224 | 92 |
| 2003 | 1191491 | 89 |
| 2002 | 1181849 | 87 |
| 2001 | 1172285 | 87 |
| 2000 | 1172049 | 84 |
| 1999 | 1176499 | 83 |
| 1998 | 1180960 | 80 |
| 1997 | 1185438 | 78 |
| 1996 | 1189927 | 78 |
| 1995 | 1194445 | 76 |
| 1994 | 1198974 | 76 |
| 1993 | 1203520 | 76 |
| 1992 | 1208077 | 74 |
| 1991 | 1212664 | 72 |
| 1990 | 1212070 | 73 |
| 1989 | 1208943 | 73 |
| 1988 | 1205828 | 73 |
| 1987 | 1202712 | 71 |
| 1986 | 1199608 | 69 |