Interval              MPECS Discovery Observations
2013-11                    0         0            1
2013-12                    1         0            1
2014-01                    0         0            0
2014-02                    0         0            0
2014-03                    0         0            0
2014-04                    0         0            0
2014-05                    0         0            0
2014-06                    0         0            0
2014-07                    0         0            0
2014-08                    0         0            2
2014-09                    2         0            4