| 年度 | 实际值 |
|---|---|
| 1992 | 342 |
| 1993 | 345 |
| 1994 | 347 |
| 1995 | 353 |
| 1996 | 358 |
| 1997 | 362 |
| 1998 | 364 |
| 1999 | 366 |
| 2000 | 340 |
| 2001 | 343 |
| 2002 | 346 |
| 2003 | 349.15 |
| 2004 | 351.95 |
| 2005 | 355.6 |
| 2006 | 359.37 |
| 2007 | 362.62 |
| 2008 | 365.23 |
| 2009 | |
| 2010 | 368.32 |
| 2011 | 369.72 |
| 2012 | 367.36 |
| 2013 | 365.3 |
| 2014 | 366.39 |
| 2015 | 366.13 |