Appox. usage (any sense): 11.9 per million words
Appox. usage (any sense): 1 per million words
Appox. usage (any sense): 0.679 per million words
Appox. usage (any sense): 0.084 per million words
Appox. usage (any sense): 2.09 per million words
Appox. usage (any sense): 31.8 per million words