| 年度 | 实际值 |
|---|---|
| 1992 | 385.74 |
| 1993 | 387.84 |
| 1994 | 390.56 |
| 1995 | 393.94 |
| 1996 | 397.89 |
| 1997 | 401.03 |
| 1998 | 403.68 |
| 1999 | 405.72 |
| 2000 | 407.99 |
| 2001 | 410.49 |
| 2002 | 412.03 |
| 2003 | 413.14 |
| 2004 | 414.99 |
| 2005 | 416.77 |
| 2006 | 418.13 |
| 2007 | 419.59 |
| 2008 | 420.62 |
| 2009 | |
| 2010 | 422.36 |
| 2011 | 423.8 |
| 2012 | 423.7 |
| 2013 | 425.3 |
| 2014 | |
| 2015 | 429.6 |
| 2016 | 432 |
| 2017 | 433 |
| 2018 | 434 |