Interval              MPECS Discovery Observations
2000                      75         0          363
2001                       5         0           15
2002                      54         0          304
2003                      33         0          161
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                       0         0            0
2016                       0         0            0
2017                       0         0            0
2018                       0         0            0
2019                       0         0            0
2020                     181         0          632
2021                     302         1         1043
2022                     329         0         1080
2023                     431         0         1442
2024                     336         0         1046
2025                       8         0           23