Appox. usage (any sense): less than 0.1 per million words
Appox. usage (any sense): 0.225 per million words
Appox. usage (any sense): 0.219 per million words
Appox. usage (any sense): less than 0.1 per million words
Appox. usage (any sense): 0.225 per million words
Appox. usage (any sense): 0.219 per million words