Interval              MPECS Discovery Observations
2015                       7         0           33
2016                       5         0           53
2017                       5         0           22
2018                       9         0           46
2019                       1         0            0
2020                       6         0           27
2021                       3         0           25
2022                       0         0            0
2023                       0         0            0
2024                       1         0            7