| 年度 | 实际值 |
|---|---|
| 1992 | 288.28 |
| 1993 | 293.35 |
| 1994 | 301.48 |
| 1995 | 307.86 |
| 1996 | 317.12 |
| 1997 | 321.92 |
| 1998 | 325.98 |
| 1999 | 330.29 |
| 2000 | 335.86 |
| 2001 | 341.52 |
| 2002 | 439.79 |
| 2003 | 452.57 |
| 2004 | 464.54 |
| 2005 | 482.07 |
| 2006 | 497.15 |
| 2007 | 502.71 |
| 2008 | 510.15 |
| 2009 | |
| 2010 | 520.86 |
| 2011 | 544.8 |
| 2012 | 554.2 |
| 2013 | 564.9 |
| 2014 | 581.6 |
| 2015 | 698.14 |
| 2016 | 774 |
| 2017 | 812 |
| 2018 | 851 |