| 年度 | 实际值 |
|---|---|
| 1992 | 394 |
| 1993 | 395 |
| 1994 | 396 |
| 1995 | 400 |
| 1996 | 402 |
| 1997 | 403 |
| 1998 | 406 |
| 1999 | 407 |
| 2000 | 409 |
| 2001 | 410 |
| 2002 | 411 |
| 2003 | 412.08 |
| 2004 | 413.72 |
| 2005 | 415.95 |
| 2006 | 417.63 |
| 2007 | 419.7 |
| 2008 | 421.73 |
| 2009 | |
| 2010 | 426.51 |
| 2011 | 428.69 |
| 2012 | 430.11 |
| 2013 | 432.6 |
| 2014 | 434.17 |
| 2015 | 436.85 |