| 年度 | 实际值 |
|---|---|
| 1992 | 128 |
| 1993 | 206 |
| 1994 | 207 |
| 1995 | 113 |
| 1996 | 233 |
| 1997 | 238 |
| 1998 | 237 |
| 1999 | 240 |
| 2000 | 3345 |
| 2001 | 237 |
| 2002 | 238 |
| 2003 | 237.68 |
| 2004 | 240.99 |
| 2005 | 242.44 |
| 2006 | 216.56 |
| 2007 | 216.67 |
| 2008 | 216.81 |
| 2009 | |
| 2010 | 216.85 |
| 2011 | 221.92 |
| 2012 | 221.59 |
| 2013 | 210.82 |
| 2014 | 209.28 |
| 2015 | 208.33 |