| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 90.78 | 182 |
| 2015 | 91.87 | 182 |
| 2014 | 93.14 | 183 |
| 2013 | 94.32 | 185 |
| 2012 | 95.41 | 185 |
| 2011 | 96.42 | 186 |
| 2010 | 97.37 | 187 |
| 2009 | 97.88 | 187 |
| 2008 | 98.26 | 186 |
| 2007 | 98.47 | 186 |
| 2006 | 98.49 | 186 |
| 2005 | 98.28 | 186 |
| 2004 | 98.16 | 185 |
| 2003 | 97.91 | 182 |
| 2002 | 97.53 | 180 |
| 2001 | 97 | 179 |
| 2000 | 96.27 | 179 |
| 1999 | 96.61 | 179 |
| 1998 | 96.87 | 179 |
| 1997 | 97.04 | 178 |
| 1996 | 97.14 | 176 |
| 1995 | 97.16 | 174 |
| 1994 | 97.64 | 173 |
| 1993 | 98.11 | 174 |
| 1992 | 98.47 | 174 |
| 1991 | 98.62 | 176 |
| 1990 | 98.47 | 173 |
| 1989 | 99.24 | 171 |
| 1988 | 99.82 | 175 |
| 1987 | 100.18 | 179 |
| 1986 | 100.29 | 176 |