| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 86.03 | 182 |
| 2015 | 87.06 | 182 |
| 2014 | 88.27 | 184 |
| 2013 | 89.4 | 186 |
| 2012 | 90.44 | 185 |
| 2011 | 91.4 | 187 |
| 2010 | 92.32 | 187 |
| 2009 | 92.79 | 187 |
| 2008 | 93.13 | 187 |
| 2007 | 93.33 | 186 |
| 2006 | 93.34 | 186 |
| 2005 | 93.14 | 186 |
| 2004 | 92.99 | 186 |
| 2003 | 92.73 | 183 |
| 2002 | 92.35 | 181 |
| 2001 | 91.83 | 180 |
| 2000 | 91.14 | 180 |
| 1999 | 91.43 | 180 |
| 1998 | 91.65 | 180 |
| 1997 | 91.8 | 181 |
| 1996 | 91.89 | 180 |
| 1995 | 91.91 | 176 |
| 1994 | 92.35 | 176 |
| 1993 | 92.78 | 177 |
| 1992 | 93.13 | 178 |
| 1991 | 93.28 | 178 |
| 1990 | 93.14 | 176 |
| 1989 | 93.88 | 177 |
| 1988 | 94.44 | 177 |
| 1987 | 94.79 | 180 |
| 1986 | 94.9 | 180 |