Appox. usage (any sense): 74 per million words
Appox. usage (any sense): 590 per million words
Appox. usage (any sense): less than 0.1 per million words
Appox. usage (any sense): 0.066 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