| 2008 | 2009 | 2010 | 2011 | |
|---|---|---|---|---|
| Grants | 11,980 | 12,650 | 9,700 | 10,600 |
| Donations | 4,780 | 4,989 | 6,700 | 6,590 |
| Investments | 8,000 | 8,100 | 8,760 | 8,490 |
| Fundraising | 3,200 | 3,120 | 3,700 | 4,210 |
| Sales | 28,400 | 27,100 | 27,950 | 29,050 |
| Miscellaneous | 2,100 | 1,900 | 1,300 | 1,760 |
| Total | 58,460 | 57,859 | 58,110 | 60,700 |