of the total number of pro football games played by eddie royal between the two years 2011 and 2012, what was the average number of games played during those two years by him?
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col : year | team | games | punt return attempts | punt return yards | punts returned for touchdown | punts fair caught | longest punt return | kickoff attempts | kickoff return yards | kickoffs returned for touchdown | kickoffs fair caught | longest kickoff return row 1 : 2008 | den | 15 | 14 | 140 | 0 | 10 | 36 | 23 | 600 | 0 | 0 | 95 row 2 : 2009 | den | 14 | 30 | 335 | 1 | 13 | 71 | 26 | 621 | 1 | 0 | 93 row 3 : 2010 | den | 16 | 25 | 298 | 0 | 12 | 33 | 5 | 107 | 0 | 0 | 33 row 4 : 2011 | den | 12 | 12 | 194 | 1 | 9 | 85 | 3 | 47 | 0 | 0 | 20 row 5 : 2012 | sd | 10 | 12 | 64 | 0 | 2 | 14 | 0 | 0 | 0 | 0 | 0 row 6 : 2013 | sd | 15 | 7 | 41 | 0 | 7 | 12 | 0 | 0 | 0 | 0 | 0 row 7 : total | total | 82 | 100 | 1,072 | 2 | 53 | 85 | 57 | 1375 | 1 | 0 | 95
of the total number of pro football games played by eddie royal between the two years 2011 and 2012, what was the average number of games played during those two years by him?
Year Team Games Punt Return Attempts Punt Return Yards Punts Returned for Touchdown Punts Fair Caught Longest Punt Return Kickoff Attempts Kickoff Return Yards Kickoffs Returned for Touchdown Kickoffs Fair Caught Longest Kickoff Return
2008 DEN 15 14 140 0 10 36 23 600 0 0 95
2009 DEN 14 30 335 1 13 71 26 621 1 0 93
2010 DEN 16 25 298 0 12 33 5 107 0 0 33
2011 DEN 12 12 194 1 9 85 3 47 0 0 20
2012 SD 10 12 64 0 2 14 0 0 0 0 0
2013 SD 15 7 41 0 7 12 0 0 0 0 0
Total Total 82 100 1,072 2 53 85 57 1375 1 0 95
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