Appox. usage (any sense): 1.8 per million words
Appox. usage (any sense): 0.931 per million words
Appox. usage (any sense): 0.931 per million words
Appox. usage (any sense): 1.8 per million words
Appox. usage (any sense): 0.931 per million words
Appox. usage (any sense): 0.931 per million words