Appox. usage (any sense): 1.24 per million words
Appox. usage (any sense): 0.222 per million words
Appox. usage (any sense): 10 per million words
Appox. usage (any sense): 1.53 per million words
Appox. usage (any sense): 0.682 per million words
Appox. usage (any sense): 0.369 per million words