| Fiscal Year Ending | ||||||
| 5-Year Annualized | 2012 | 2011 | 2010 | 2009 | 2008 | |
| Market Value (in millions) | $407.0 | $401.2 | $326.0 | $285.5 | $357.3 | |
| Investment Returns | 1.4% | 0.8% | 22.3% | 13.4% | -20.8% | -3.1% |
| S&P 500 Equity Index | 0.2% | 5.4% | 30.7% | 14.4% | -26.2% | -13.1% |
| Barclays Capital Aggregate Bond Index | 6.8% | 7.5% | 3.9% | 9.5% | 6.1% | 7.1% |