Appox. usage (any sense): 8.22 per million words
Appox. usage (any sense): 0.168 per million words
Appox. usage (any sense): 0.123 per million words
Appox. usage (any sense): 0.096 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