Interval              MPECS Discovery Observations
2001                       4         0           42
2002                       5         0           18
2003                       1         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            3
2013                       0         0            3
2014                       2         0           29
2015                       0         0            3
2016                       0         0          259
2017                       0         0          128
2018                       0         0            0
2019                       0         0            0
2020                       0         0            0
2021                       0         0            0
2022                       0         0            0
2023                       0         0            0
2024                       0         0            0
2025                      27         0            0
2026                       1         0            0