| 年度 | 实际值 |
|---|---|
| 1992 | 798 |
| 1993 | 802 |
| 1994 | 805 |
| 1995 | 823 |
| 1996 | 1346 |
| 1997 | 1378 |
| 1998 | 1416 |
| 1999 | 1443 |
| 2000 | 1488 |
| 2001 | 1511 |
| 2002 | 1536 |
| 2003 | 1568.09 |
| 2004 | 879.8 |
| 2005 | 883.21 |
| 2006 | 887.44 |
| 2007 | 852.04 |
| 2008 | 869.28 |
| 2009 | |
| 2010 | 1211.06 |
| 2011 | 885.71 |
| 2012 | 895.81 |
| 2013 | 901.34 |
| 2014 | 797.5 |
| 2015 | 471.64 |