| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.08 | 193 |
| 2015 | 1.02 | 193 |
| 2014 | 0.99 | 193 |
| 2013 | 0.94 | 193 |
| 2012 | 0.88 | 193 |
| 2011 | 0.81 | 194 |
| 2010 | 0.75 | 194 |
| 2009 | 0.75 | 194 |
| 2008 | 0.77 | 194 |
| 2007 | 0.8 | 194 |
| 2006 | 0.84 | 194 |
| 2005 | 0.92 | 194 |
| 2004 | 0.94 | 194 |
| 2003 | 0.97 | 194 |
| 2002 | 1.01 | 194 |
| 2001 | 1.05 | 194 |
| 2000 | 1.1 | 194 |
| 1999 | 1.1 | 194 |
| 1998 | 1.09 | 194 |
| 1997 | 1.07 | 194 |
| 1996 | 1.05 | 194 |
| 1995 | 1.05 | 194 |
| 1994 | 1.08 | 194 |
| 1993 | 1.11 | 194 |
| 1992 | 1.14 | 194 |
| 1991 | 1.17 | 194 |
| 1990 | 1.19 | 194 |
| 1989 | 1.18 | 192 |
| 1988 | 1.18 | 192 |
| 1987 | 1.17 | 192 |
| 1986 | 1.18 | 192 |