Appox. usage (any sense): 995 per million words
Appox. usage (any sense): 28.3 per million words
Appox. usage (any sense): 45 per million words
Appox. usage (any sense): 11.2 per million words
Appox. usage (any sense): less than 0.1 per million words
Appox. usage (any sense): less than 0.1 per million words