| 年度 | 实际值 |
|---|---|
| 1992 | 193 |
| 1993 | 196 |
| 1994 | 197 |
| 1995 | 201 |
| 1996 | 203 |
| 1997 | 219 |
| 1998 | 221 |
| 1999 | 222 |
| 2000 | 228 |
| 2001 | 230 |
| 2002 | 231 |
| 2003 | 233.31 |
| 2004 | 240.43 |
| 2005 | 242.64 |
| 2006 | 244.85 |
| 2007 | 246.39 |
| 2008 | 248.35 |
| 2009 | |
| 2010 | 259.22 |
| 2011 | 260.61 |
| 2012 | 261.73 |
| 2013 | 267.09 |
| 2014 | 270.31 |
| 2015 | 273.28 |