| 年度 | 实际值 |
|---|---|
| 1992 | 1151 |
| 1993 | 1166 |
| 1994 | 1180 |
| 1995 | 1187 |
| 1996 | 1225 |
| 1997 | 1239 |
| 1998 | 1247 |
| 1999 | 1252 |
| 2000 | 1268 |
| 2001 | 1274 |
| 2002 | 1275 |
| 2003 | 1247.21 |
| 2004 | 1247.91 |
| 2005 | 1246.17 |
| 2006 | 1252.44 |
| 2007 | 1263.24 |
| 2008 | 1265.16 |
| 2009 | |
| 2010 | 1166.93 |
| 2011 | 1182.78 |
| 2012 | 815.09 |
| 2013 | 812.12 |
| 2014 | 810.36 |
| 2015 | 783.08 |