en_tn_condensed/psa/090/015.md

in proportion to the days you afflicted us and to the years we have experienced trouble

Both of these phrases mean the same thing. The writer is asking Yahweh to make them happy for the same amount of time he punished them. Alternate translation: "for the same amount of time that you afflicted us and caused us to suffer" (See: rc://en/ta/man/translate/figs-parallelism)