| 年度 | 实际值 |
|---|---|
| 1992 | 3170 |
| 1993 | 3217 |
| 1994 | 3251 |
| 1995 | 3338 |
| 1996 | 2441 |
| 1997 | 2479 |
| 1998 | 2517 |
| 1999 | 2566 |
| 2000 | 2623 |
| 2001 | 1237 |
| 2002 | 1261 |
| 2003 | 1281.58 |
| 2004 | 1308.96 |
| 2005 | 1334.81 |
| 2006 | 1350 |
| 2007 | 1367.34 |
| 2008 | 1382.99 |
| 2009 | |
| 2010 | 3606.16 |
| 2011 | 1435.27 |
| 2012 | 1451.86 |
| 2013 | 1469.43 |
| 2014 | 1076.87 |
| 2015 | 1093.11 |