Appox. usage (any sense): 7.96 per million words
Appox. usage (any sense): 4.68 per million words
Appox. usage (any sense): 0.075 per million words
Appox. usage (any sense): 2.12 per million words
Appox. usage (any sense): 1.77 per million words
Appox. usage (any sense): 0.589 per million words