| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 87.02 | 185 |
| 2015 | 87.42 | 183 |
| 2014 | 87.73 | 182 |
| 2013 | 87.83 | 181 |
| 2012 | 87.77 | 180 |
| 2011 | 87.67 | 180 |
| 2010 | 87.58 | 180 |
| 2009 | 87.61 | 180 |
| 2008 | 87.7 | 179 |
| 2007 | 87.79 | 179 |
| 2006 | 87.73 | 179 |
| 2005 | 87.41 | 176 |
| 2004 | 87.24 | 176 |
| 2003 | 86.99 | 175 |
| 2002 | 86.73 | 174 |
| 2001 | 86.59 | 173 |
| 2000 | 86.62 | 172 |
| 1999 | 87.01 | 168 |
| 1998 | 87.48 | 169 |
| 1997 | 87.91 | 167 |
| 1996 | 88.19 | 167 |
| 1995 | 88.22 | 167 |
| 1994 | 88.91 | 166 |
| 1993 | 89.41 | 165 |
| 1992 | 89.75 | 164 |
| 1991 | 89.93 | 166 |
| 1990 | 89.89 | 163 |
| 1989 | 90.4 | 160 |
| 1988 | 90.82 | 159 |
| 1987 | 91.11 | 162 |
| 1986 | 91.24 | 165 |