Interval              MPECS Discovery Observations
2014                       5         0           14
2015                       4         2           34
2016                      12         1           81
2017                       3         0           49
2018                       5         0           48
2019                       4         3           59
2020                       5         3           28
2021                       5         1           37
2022                      18         9           94
2023                      93        54          620
2024                      99        72          587
2025                      30        15          180
2026                      21        10          105