2005-03-21 00:00:00+00    6916.27    imp/min
2005-03-21 01:00:00+00    6881.07    imp/min
2005-03-22 08:00:00+00    6871.47    imp/min
2005-03-22 09:00:00+00    6866.13    imp/min
2005-03-22 10:00:00+00    6867.20    imp/min
2005-03-22 11:00:00+00    6837.33    imp/min
2005-03-22 12:00:00+00    6839.47    imp/min