Appox. usage (any sense): 3.2 per million words
Appox. usage (any sense): 5 per million words
Appox. usage (any sense): 9.1 per million words
Appox. usage (any sense): 3.2 per million words
Appox. usage (any sense): 5 per million words
Appox. usage (any sense): 9.1 per million words