Kyrie Irving has a 30.1 usage percentage without LeBron James in his career.

kyrie irving usage with lebron out
NAMEGPUSG%MPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINPTSREBASTSTLBLKTOVPF+/-
Kyrie IrvingKyrie Irving39930.133.623.24.16.01.40.42.78.618.247.12.35.739.23.84.487.913,3889,2571,6512,3755441671,087933+149
StatMuse has game-level data for usage percentage going back to the 1984-85 season.