I don't really understand the statistics

Shares   1455
Shares (pending)   3841
Utility   1927.513
Earned   0.08262282
Efficiency   0.996
Collected   0.00719988
Paid   0.00000000
Date   Sun Jun 19 14:07:13 2011

I submitted 1455 (confirmed) shares with a utility of 1927.513. Shouldn't my efficiency then be: 1927.513/1455 = 1.324 instead of 0.996?