Appox. usage (any sense): 2.89 per million words
Appox. usage (any sense): 2.1 per million words
Appox. usage (any sense): 1.08 per million words
Appox. usage (any sense): 1.08 per million words
Appox. usage (any sense): 0.054 per million words
Appox. usage (any sense): 0.027 per million words