| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 86.57 | 176 |
| 2015 | 88.77 | 177 |
| 2014 | 91.38 | 180 |
| 2013 | 94 | 184 |
| 2012 | 96.53 | 186 |
| 2011 | 98.73 | 189 |
| 2010 | 100.41 | 189 |
| 2009 | 100.74 | 189 |
| 2008 | 100.66 | 189 |
| 2007 | 100.23 | 189 |
| 2006 | 99.63 | 188 |
| 2005 | 99.01 | 188 |
| 2004 | 100.16 | 189 |
| 2003 | 101.2 | 189 |
| 2002 | 102.15 | 189 |
| 2001 | 102.93 | 188 |
| 2000 | 103.33 | 189 |
| 1999 | 102.98 | 189 |
| 1998 | 102.6 | 190 |
| 1997 | 102.04 | 188 |
| 1996 | 101.29 | 187 |
| 1995 | 100.51 | 183 |
| 1994 | 100.89 | 181 |
| 1993 | 100.9 | 179 |
| 1992 | 100.87 | 179 |
| 1991 | 100.97 | 179 |
| 1990 | 101.02 | 178 |
| 1989 | 99.79 | 175 |
| 1988 | 99.29 | 172 |
| 1987 | 99.07 | 173 |
| 1986 | 98.71 | 170 |