Interval              MPECS Discovery Observations
2012                       1         0            2
2013                       1         0            4
2014                       0         0            0
2015                       0         0            0
2016                       0         0            0
2017                       0         0            0
2018                       4         0           33
2019                      17         0           54
2020                      15         0           51
2021                      30         0          122
2022                      48         0          208
2023                      50         0          153
2024                      67         0          198
2025                      74         0          254
2026                      37         0          104