Appox. usage (any sense): 28 per million words
Appox. usage (any sense): 0.97 per million words
Appox. usage (any sense): 0.958 per million words
Appox. usage (any sense): 28 per million words
Appox. usage (any sense): 0.97 per million words
Appox. usage (any sense): 0.958 per million words