Interval              MPECS Discovery Observations
2000                       4         0           11
2001                       0         0            0
2002                       0         0            0
2003                       0         0            0
2004                       0         0            0
2005                       0         0            0
2006                       0         0            0
2007                       0         0            0
2008                       0         0            0
2009                       0         0            0
2010                       0         0            0
2011                       0         0            0
2012                       0         0            0
2013                       0         0            0
2014                       0         0            0
2015                       1         0            3