| 年度 | 实际值 |
|---|---|
| 1992 | 1234 |
| 1993 | 1242 |
| 1994 | 1266 |
| 1995 | 1321 |
| 1996 | 1360 |
| 1997 | |
| 1998 | 375 |
| 1999 | 376 |
| 2000 | 373 |
| 2001 | 376 |
| 2002 | 378 |
| 2003 | 380.33 |
| 2004 | 381.58 |
| 2005 | 382.57 |
| 2006 | 387.15 |
| 2007 | 393.51 |
| 2008 | 398.34 |
| 2009 | |
| 2010 | 404.41 |
| 2011 | 413.79 |
| 2012 | 413.43 |
| 2013 | 414.82 |
| 2014 | 419.62 |
| 2015 | 424.53 |