| 年度 | 实际值 |
|---|---|
| 1992 | 351 |
| 1993 | 354 |
| 1994 | 356 |
| 1995 | 360 |
| 1996 | 363 |
| 1997 | 366 |
| 1998 | 369 |
| 1999 | 371 |
| 2000 | 375 |
| 2001 | 379 |
| 2002 | 384 |
| 2003 | 387.31 |
| 2004 | 392.67 |
| 2005 | 397.96 |
| 2006 | 401.49 |
| 2007 | 405.13 |
| 2008 | 408.32 |
| 2009 | |
| 2010 | 415.23 |
| 2011 | 419.2 |
| 2012 | 422.74 |
| 2013 | 425.77 |
| 2014 | 431.28 |
| 2015 | 436.25 |