| Year | Number of companies | Amount raised in $ b | % |
| 2005 | 26 | 2.48 |
|
| 2006 | 20 | 11.00 | A 4.2 times rise |
| 2007 | 28 | 15.40 | +46 |
| 2008 Jan. | 25 | 21.00 | +37 |
| 2008 Nov. | 25 | 7.00 | −67 |
| 2008 end | 25 | 5.5 | −21.4 |