Rajon Rondo had a usage percentage of 18.5 with DeMarcus Cousins in 2015-16.

rajon rondo usage with and without demarcus cousins 2016
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2015-16Rondo18.521.1
with
without
NAMESEASONWITH/WITHOUTTMGPUSG%MPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINPTSREBASTSTLBLKTOVPF+/-
Rajon RondoRajon Rondo2015-16withSACSAC6018.535.511.86.011.92.00.24.04.910.546.00.82.335.01.32.159.42,1327073607121229238145-69
Rajon RondoRajon Rondo2015-16withoutSACSAC1221.133.712.76.310.61.60.13.35.312.542.71.12.543.30.91.850.0405152751271914030-80
StatMuse has game-level data for usage percentage going back to the 1984-85 season.