| 年度 | 实际值 |
|---|---|
| 1992 | 533 |
| 1993 | 537 |
| 1994 | 561 |
| 1995 | 594 |
| 1996 | 602 |
| 1997 | 608 |
| 1998 | 612 |
| 1999 | 616 |
| 2000 | 621 |
| 2001 | 625 |
| 2002 | 628 |
| 2003 | 310.03 |
| 2004 | 378.32 |
| 2005 | 195.22 |
| 2006 | 197.22 |
| 2007 | 174.77 |
| 2008 | 199.69 |
| 2009 | |
| 2010 | 200.26 |
| 2011 | 191.87 |
| 2012 | 213.62 |
| 2013 | 201.15 |
| 2014 | 200.27 |
| 2015 | 190.1 |