Appox. usage (any sense): 70 per million words
Appox. usage (any sense): 1.29 per million words
Appox. usage (any sense): 0.571 per million words
Appox. usage (any sense): 0.024 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