| 年度 | 实际值 |
|---|---|
| 1992 | 262 |
| 1993 | 303 |
| 1994 | 268 |
| 1995 | 273 |
| 1996 | 347 |
| 1997 | 356 |
| 1998 | 361 |
| 1999 | 363 |
| 2000 | 367 |
| 2001 | 367 |
| 2002 | 369 |
| 2003 | 370.87 |
| 2004 | 371.68 |
| 2005 | 373.62 |
| 2006 | 375.98 |
| 2007 | 376.9 |
| 2008 | 303.81 |
| 2009 | |
| 2010 | 388.85 |
| 2011 | 401.05 |
| 2012 | 401.57 |
| 2013 | 407.34 |
| 2014 | 413.89 |
| 2015 | 424.71 |