| 年度 | 实际值 |
|---|---|
| 1992 | 1221 |
| 1993 | 1231 |
| 1994 | 1240 |
| 1995 | 1259 |
| 1996 | 1276 |
| 1997 | 1282 |
| 1998 | 1291 |
| 1999 | 1295 |
| 2000 | 1300 |
| 2001 | 1304 |
| 2002 | 1309 |
| 2003 | 1315.25 |
| 2004 | 1319.68 |
| 2005 | 1022.25 |
| 2006 | 1027.4 |
| 2007 | 1032.13 |
| 2008 | 1040.96 |
| 2009 | |
| 2010 | 1047.15 |
| 2011 | 1045.36 |
| 2012 | 1049.65 |
| 2013 | 1055.09 |
| 2014 | 1054.88 |
| 2015 | 1053 |