Appox. usage (any sense): 0.09 per million words
Appox. usage (any sense): 1.29 per million words
Appox. usage (any sense): 0.862 per million words
Appox. usage (any sense): 0.06 per million words
Appox. usage (any sense): 0.865 per million words
Appox. usage (any sense): less than 0.1 per million words