Appox. usage (any sense): 0.015 per million words
Appox. usage (any sense): 0.15 per million words
Appox. usage (any sense): 0.015 per million words
Appox. usage (any sense): 0.015 per million words
Appox. usage (any sense): 0.15 per million words
Appox. usage (any sense): 0.015 per million words