Appox. usage (any sense): 5.07 per million words
Appox. usage (any sense): 4.54 per million words
Appox. usage (any sense): 1.64 per million words
Appox. usage (any sense): 7.8 per million words
Appox. usage (any sense): 0.075 per million words
Appox. usage (any sense): less than 0.1 per million words