Appox. usage (any sense): 2.46 per million words
Appox. usage (any sense): 0.294 per million words
Appox. usage (any sense): 29.5 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): 0.033 per million words