Harrison Barnes has a 19.3 usage percentage in his career.

barnes usage with green
NAMEGPUSG%MPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINPTSREBASTSTLBLKTOVPF+/-
Harrison BarnesHarrison Barnes67019.331.613.95.11.80.70.21.25.111.345.21.33.437.72.43.080.021,1779,3013,3851,1904691288121,092288
StatMuse has season-level data for usage percentage going back to the 1977-78 season.

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