Appox. usage (any sense): 12.4 per million words
Appox. usage (any sense): 1.65 per million words
Appox. usage (any sense): 1.23 per million words
Appox. usage (any sense): 10.6 per million words
Appox. usage (any sense): 0.168 per million words
Appox. usage (any sense): less than 0.1 per million words