Interval              MPECS Discovery Observations
2017                       3         0           21
2018                      11         0           50
2019                      22         0          102
2020                      21         0           66
2021                      74         0          240
2022                     128         0          422
2023                     113         0          331
2024                      59         0          169
2025                      42         0          151
2026                      31         0           78