| 年度 | 实际值 |
|---|---|
| 1992 | 1317 |
| 1993 | 1333 |
| 1994 | 1342 |
| 1995 | 1369 |
| 1996 | 1395 |
| 1997 | 1233 |
| 1998 | 1261 |
| 1999 | 1239 |
| 2000 | 1260 |
| 2001 | 1273 |
| 2002 | 1283 |
| 2003 | 1293.52 |
| 2004 | 1313.47 |
| 2005 | 1330.67 |
| 2006 | 1343.89 |
| 2007 | 1384.79 |
| 2008 | 1361.6 |
| 2009 | |
| 2010 | 1191.31 |
| 2011 | 1397.01 |
| 2012 | 1413.72 |
| 2013 | 1432.67 |
| 2014 | 1457.86 |
| 2015 | 1471.32 |