| 年度 | 实际值 |
|---|---|
| 1992 | 149.61 |
| 1993 | 152.27 |
| 1994 | 154.27 |
| 1995 | 155.91 |
| 1996 | 429.87 |
| 1997 | 437.31 |
| 1998 | 441.42 |
| 1999 | 445.83 |
| 2000 | 453.31 |
| 2001 | 457.6 |
| 2002 | 462.45 |
| 2003 | 470.35 |
| 2004 | 475.48 |
| 2005 | 470.37 |
| 2006 | 478.89 |
| 2007 | 491.59 |
| 2008 | 501.86 |
| 2009 | |
| 2010 | 523.81 |
| 2011 | 527.7 |
| 2012 | 529.9 |
| 2013 | 538.2 |
| 2014 | |
| 2015 | 548.94 |
| 2016 | 555 |
| 2017 | 556 |
| 2018 | 561 |