Appox. usage (any sense): 30.6 per million words
Appox. usage (any sense): 0.24 per million words
Appox. usage (any sense): 0.36 per million words
Appox. usage (any sense): 0.06 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