Appox. usage (any sense): 13 per million words
Appox. usage (any sense): 17.4 per million words
Appox. usage (any sense): 0.018 per million words
Appox. usage (any sense): 13 per million words
Appox. usage (any sense): 17.4 per million words
Appox. usage (any sense): 0.018 per million words