Appox. usage (any sense): 34200 per million words
Appox. usage (any sense): 190000 per million words
Appox. usage (any sense): 84000 per million words
Appox. usage (any sense): 84000 per million words
Appox. usage (any sense): 2100 per million words
Appox. usage (any sense): 1500 per million words