| Year | IPO | M&A | Repurchase | Liquidation | New OTC |
| 2006 | 45.55 | 15.00 | −14.28 | −17.57 | - |
| 2007 | 46.53 | −9.35 | −4.94 | −7.86 | - |
| 2008 | 143.33 | 1.33 | −17.61 | −6.05 | - |
| 2009 | 113.08 | −0.37 | −21.01 | −6.59 | - |
| 2010 | 187.62 | 5.04 | −5.35 | −4.83 | 5.64 |
| 2011 | 200.41 | 12.99 | −20.71 | −8.46 | 13.20 |
| 2012 | 84.62 | 66.40 | 14.86 | −10.33 | −4.47 |
| 2013 | 73.36 | 2.71 | −19.31 | −8.26 | −0.90 |
| 2014 | 107.19 | 17.49 | −4.22 | −11.48 | 12.93 |
| 2015 | 114.38 | 44.45 | 4.05 | −2.00 | 6.10 |
| 2016 | 120.35 | 37.58 | 0.38 | −10.66 | 43.89 |
| Average | 112.40 | 17.57 | −8.01 | −8.55 | 10.91 |