Appox. usage (any sense): 13000 per million words
Appox. usage (any sense): 444 per million words
Appox. usage (any sense): 41.1 per million words
Appox. usage (any sense): 29.8 per million words
Appox. usage (any sense): 0.733 per million words
Appox. usage (any sense): 0.042 per million words
Appox. usage (any sense): less than 0.1 per million words