| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 94.5 | 190 |
| 2015 | 95.24 | 190 |
| 2014 | 96.36 | 190 |
| 2013 | 97.36 | 191 |
| 2012 | 98.23 | 191 |
| 2011 | 98.95 | 192 |
| 2010 | 99.45 | 192 |
| 2009 | 100.33 | 192 |
| 2008 | 101.06 | 192 |
| 2007 | 101.59 | 192 |
| 2006 | 101.83 | 192 |
| 2005 | 101.76 | 192 |
| 2004 | 102.14 | 192 |
| 2003 | 102.26 | 192 |
| 2002 | 102.13 | 192 |
| 2001 | 101.76 | 192 |
| 2000 | 101.14 | 191 |
| 1999 | 101.01 | 191 |
| 1998 | 100.79 | 191 |
| 1997 | 100.43 | 191 |
| 1996 | 99.85 | 191 |
| 1995 | 98.99 | 191 |
| 1994 | 98.73 | 190 |
| 1993 | 98.37 | 189 |
| 1992 | 97.86 | 185 |
| 1991 | 97.16 | 184 |
| 1990 | 96.21 | 184 |
| 1989 | 95.85 | 183 |
| 1988 | 95.36 | 182 |
| 1987 | 94.71 | 179 |
| 1986 | 93.85 | 175 |