Just for interest my stats

AMD 9750
Average cpm over 24 hours = 832
Average hpm over 24 hours = 244

Shares accepted = 11732
Shares rejected = 360

In one of the blocks (43007) I generated 5832 shares for a total value of 0.02413126  >:(
and then on block 43011  I generated 13 shares for a total value of 0.02707849   :D

go figure .......