Appox. usage (any sense): 57.6 per million words
Appox. usage (any sense): 34.1 per million words
Appox. usage (any sense): 0.805 per million words
Appox. usage (any sense): 0.396 per million words
Appox. usage (any sense): 0.189 per million words
Appox. usage (any sense): less than 0.1 per million words
Appox. usage (any sense): less than 0.1 per million words