Clickthrough rates on SERPs

A somewhat overlooked post on Jim Boydkin’s blog: Click Rate for Top 10 Search Results:

Datamining of the AOL data apparently shows some clear figures for clickthrough rates on Top 10 positions:

Results in:
Total Searches:9,038,794
Total Clicks: 4,926,623

Click Rank1: 2,075,765
Click Rank2: 586,100 = 3.5x less
Click Rank3: 418,643 = 4.9x less
Click Rank4: 298,532 = 6.9x less
Click Rank5: 242,169 = 8.5x less
Click Rank6: 199,541 = 10.4x less
Click Rank7: 168,080 = 12.3x less
Click Rank8: 148,489 = 14.0x less
Click Rank9: 140,356 = 14.8x less
Click Rank10: 147,551 = 14.1x less

Click Rank1: 2,075,765
Click Rank2: 586,100 = 3.5x less than ^
Click Rank3: 418,643 = 1.4x less than ^
Click Rank4: 298,532 = 1.4x less than ^
Click Rank5: 242,169 = 1.2x less than ^
Click Rank6: 199,541 = 1.2x less than ^
Click Rank7: 168,080 = 1.2x less than ^
Click Rank8: 148,489 = 1.1x less than ^
Click Rank9: 140,356 = 1.05x less than ^
Click Rank10: 147,551 = 1.05x more than ^