Russell Westbrook had a 25.8 usage percentage in his rookie season in 2008-09.

russell westbrook usage rate by year
2008-09Westbrook2009-10Westbrook2010-11Westbrook2011-12Westbrook2012-13Westbrook2013-14Westbrook2014-15Westbrook2015-16Westbrook2016-17Westbrook2017-18Westbrook2018-19Westbrook2019-20Westbrook2020-21Westbrook2021-22Westbrook2022-23Westbrook25.825.731.532.732.734.438.231.641.534.130.934.430.227.328.6
NAMESEASONTMGPUSG%MPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINPTSREBASTSTLBLKTOVPF+/-
Russell WestbrookRussell Westbrook2008-09
OKCOKC
8225.832.515.34.95.31.30.23.35.313.439.80.41.627.14.35.281.52,6681,25639943511016274191-272
Russell WestbrookRussell Westbrook2009-10
OKCOKC
8225.734.316.14.98.01.30.43.35.914.141.80.31.322.14.05.178.02,8131,32240165210834268204+278
Russell WestbrookRussell Westbrook2010-11
OKCOKC
8231.534.721.94.68.21.90.43.97.517.044.20.41.333.06.57.784.22,8471,79337967015530316207+117
Russell WestbrookRussell Westbrook2011-12
OKCOKC
6632.735.323.64.65.51.70.33.68.819.245.70.93.031.65.26.382.32,3311,55830136211221239147+366
Russell WestbrookRussell Westbrook2012-13
OKCOKC
8232.734.923.25.27.41.80.33.38.218.743.81.23.732.35.67.080.02,8611,90342860714524273189+634
Russell WestbrookRussell Westbrook2013-14
OKCOKC
4634.430.721.85.76.91.90.23.87.517.243.71.54.731.85.36.482.61,4121,002263319887177104+222
Russell WestbrookRussell Westbrook2014-15
OKCOKC
6738.234.428.17.38.62.10.24.49.422.042.61.34.329.98.19.883.52,3021,88648857414014293184+247
Russell WestbrookRussell Westbrook2015-16
OKCOKC
8031.634.423.57.810.42.00.34.38.218.145.41.34.329.65.87.281.22,7491,87862683416320342200+635
Russell WestbrookRussell Westbrook2016-17
OKCOKC
8141.534.631.610.710.41.60.45.410.224.042.52.57.234.38.810.484.52,8022,55886484013231438190+251
Russell WestbrookRussell Westbrook2017-18
OKCOKC
8034.136.425.410.110.31.80.34.89.521.144.91.24.129.85.27.173.72,9142,02880482014720381200+383
Russell WestbrookRussell Westbrook2018-19
OKCOKC
7330.936.022.911.110.71.90.54.58.620.242.81.65.629.04.16.265.62,6291,67580778414233325245+292
Russell WestbrookRussell Westbrook2019-20
HOUHOU
5734.435.927.27.97.01.60.44.510.622.547.21.03.725.85.16.776.32,0491,5534514019320255200+124
Russell WestbrookRussell Westbrook2020-21
WASWAS
6530.236.422.211.511.71.40.44.88.419.043.91.34.231.54.26.465.62,3691,4457507638923312190-87
Russell WestbrookRussell Westbrook2021-22
LALLAL
7827.334.318.57.47.11.00.33.87.015.844.41.03.429.83.45.166.72,6781,4415805507520295235-211
Russell WestbrookRussell Westbrook2022-23
LALLAL
4928.628.715.86.37.51.00.43.55.813.941.91.24.028.83.04.565.81,4087753103695122172117-44
StatMuse has season-level data for usage percentage going back to the 1977-78 season.