Dwight Howard had a usage percentage of 18.2 in 2015-16.

beverly usage with and without howard 2016
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NAMESEASONTMGPUSG%MPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINPTSREBASTSTLBLKTOVPF+/-
Dwight HowardDwight Howard2015-16HOUHOU7118.232.113.711.81.41.01.62.35.28.562.00.00.10.03.36.748.92,2809768359869113166219+17
StatMuse has season-level data for usage percentage going back to the 1977-78 season.