| Year (s) | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Price Indices | 78.7 | 69.9 | 61.6 | 78.0 | 92.0 | 92.7 | 103.5 | 120.5 | 121.3 | 150.9 |
| Rental Indices | 95.4 | 83.4 | 73.6 | 77.7 | 86.5 | 91.6 | 101.8 | 115.7 | 100.4 | 119.7 |