| 年度 | 实际值 |
|---|---|
| 1992 | 2267 |
| 1993 | 2296 |
| 1994 | 2317 |
| 1995 | 2345 |
| 1996 | 2281 |
| 1997 | 1356 |
| 1998 | 1374 |
| 1999 | 1390 |
| 2000 | 1400 |
| 2001 | 1415 |
| 2002 | 1432 |
| 2003 | 1431.95 |
| 2004 | 1444.14 |
| 2005 | 1509.05 |
| 2006 | 1447.07 |
| 2007 | 1458.33 |
| 2008 | 1260.16 |
| 2009 | |
| 2010 | 178.53 |
| 2011 | 1297.03 |
| 2012 | 1300.94 |
| 2013 | 1041.93 |
| 2014 | 1045.44 |
| 2015 | 1046.59 |