Appox. usage (any sense): 1.5 per million words
Appox. usage (any sense): 0.21 per million words
Appox. usage (any sense): 0.024 per million words
Appox. usage (any sense): 0.015 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
Appox. usage (any sense): less than 0.1 per million words