Interval              MPECS Discovery Observations
2017                       1         0            9
2018                       1         0           39
2019                       2         0           10
2020                       1         0            3
2021                       1         0            5
2022                       1         0            1
2023                      11         0           48
2024                      10         0           56
2025                       8         0           20
2026                       7         0           15