You can view the historical data for AMHash on the Havelock website. Just click the Dividends tab.
Announcement Date Payment Date Amount (BTC/Unit)
2014-11-30 2014-11-30 0.00000816
2014-11-29 2014-11-29 0.00000806
2014-11-28 2014-11-28 0.00000807
2014-11-27 2014-11-27 0.00000807
2014-11-26 2014-11-26 0.00000813
2014-11-25 2014-11-25 0.00000822
2014-11-24 2014-11-24 0.00000805
2014-11-23 2014-11-23 0.00000791
2014-11-22 2014-11-22 0.00000784
2014-11-21 2014-11-21 0.00000784
2014-11-20 2014-11-20 0.00000802
2014-11-19 2014-11-19 0.00000817
2014-11-18 2014-11-18 0.00000847
2014-11-17 2014-11-17 0.00000859
2014-11-16 2014-11-16 0.00000842
2014-11-15 2014-11-15 0.00000850
2014-11-14 2014-11-14 0.00000873
2014-11-13 2014-11-13 0.00000879
2014-11-12 2014-11-12 0.00000845
2014-11-11 2014-11-11 0.00000830
2014-11-10 2014-11-10 0.00000824
2014-11-09 2014-11-09 0.00000805
2014-11-08 2014-11-08 0.00000795
2014-11-07 2014-11-07 0.00000799
2014-11-06 2014-11-06 0.00000788
2014-11-05 2014-11-05 0.00000822
2014-11-04 2014-11-04 0.00000895
2014-11-03 2014-11-03 0.00000901
2014-11-02 2014-11-02 0.00000894
2014-11-01 2014-11-01 0.00000898
2014-10-31 2014-10-31 0.00000927