Appox. usage (any sense): 76 per million words
Appox. usage (any sense): 41.7 per million words
Appox. usage (any sense): 0.667 per million words
Appox. usage (any sense): 0.309 per million words
Appox. usage (any sense): 2.08 per million words
Appox. usage (any sense): 0.015 per million words
Appox. usage (any sense): less than 0.1 per million words