| 时间 | 值 （人/平方公里） | 世界排名 |
|---|---|---|
| 2016 | 1230102 | 100 |
| 2015 | 1226155 | 100 |
| 2014 | 1221933 | 99 |
| 2013 | 1216330 | 97 |
| 2012 | 1210753 | 96 |
| 2011 | 1205185 | 95 |
| 2010 | 1199651 | 94 |
| 2009 | 1194143 | 94 |
| 2008 | 1188667 | 94 |
| 2007 | 1183201 | 93 |
| 2006 | 1177565 | 94 |
| 2005 | 1168854 | 95 |
| 2004 | 1157368 | 95 |
| 2003 | 1145963 | 94 |
| 2002 | 1132680 | 91 |
| 2001 | 1120411 | 92 |
| 2000 | 1128266 | 89 |
| 1999 | 1136199 | 87 |
| 1998 | 1144176 | 85 |
| 1997 | 1152209 | 83 |
| 1996 | 1160287 | 80 |
| 1995 | 1168445 | 80 |
| 1994 | 1176648 | 79 |
| 1993 | 1184909 | 81 |
| 1992 | 1189835 | 78 |
| 1991 | 1190289 | 79 |
| 1990 | 1190742 | 77 |
| 1989 | 1191196 | 77 |
| 1988 | 1191649 | 77 |
| 1987 | 1192104 | 77 |
| 1986 | 1192558 | 76 |