Appox. usage (any sense): 44.4 per million words
Appox. usage (any sense): 2.8 per million words
Appox. usage (any sense): 2.34 per million words
Appox. usage (any sense): 0.438 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