human
the company granted 1020 performance shares. the vesting of these shares is contingent on meeting stated goals over a performance period. beginning with restricted stock grants in september 2010, dividends are accrued on restricted class a common stock and restricted stock units and are paid once the restricted stock vests. the following table summarizes restricted stock and performance shares activity for 2010: number of shares weighted average grant date fair value.
|  | Number of Shares | Weighted Average Grant Date Fair Value |
| --------- | --------- | --------- |
| Outstanding at December 31, 2009 | 116,677 | $280 |
| Granted | 134,245 | 275 |
| Vested | (34,630) | 257 |
| Cancelled | (19,830) | 260 |
| Outstanding at December 31, 2010 | 196,462 | 283 |
the total fair value of restricted stock that vested during the years ended december 31, 2010, 2009 and 2008, was $10.3 million, $6.2 million and $2.5 million, respectively. eligible employees may acquire shares of cme group 2019s class a common stock using after-tax payroll deductions made during consecutive offering periods of approximately six months in duration. shares are purchased at the end of each offering period at a price of 90% (90%) of the closing price of the class a common stock as reported on the nasdaq. compensation expense is recognized on the dates of purchase for the discount from the closing price. in 2010, 2009 and 2008, a total of 4371, 4402 and 5600 shares, respectively, of class a common stock were issued to participating employees. these shares are subject to a six-month holding period. annual expense of $0.1 million for the purchase discount was recognized in 2010, 2009 and 2008, respectively. non-executive directors receive an annual award of class a common stock with a value equal to $75000. non-executive directors may also elect to receive some or all of the cash portion of their annual stipend, up to $25000, in shares of stock based on the closing price at the date of distribution. as a result, 7470, 11674 and 5509 shares of class a common stock were issued to non-executive directors during 2010, 2009 and 2008, respectively. these shares are not subject to any vesting restrictions. expense of $2.4 million, $2.5 million and $2.4 million related to these stock-based payments was recognized for the years ended december 31, 2010, 2009 and 2008, respectively. .
Please compute the result.
what is that total fair value of restricted stock that vested during 2010?
assistant
10.3
human
what about during 2009?
assistant
6.2
human
what is the total for two years?
assistant
16.5
human
what is the total including year 2008?
assistant
19.0