Appox. usage (any sense): 110 per million words
Appox. usage (any sense): 22.1 per million words
Appox. usage (any sense): 0.943 per million words
Appox. usage (any sense): 0.456 per million words
Appox. usage (any sense): 0.261 per million words
Appox. usage (any sense): 0.231 per million words