Appox. usage (any sense): 0.399 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
Appox. usage (any sense): less than 0.1 per million words
Appox. usage (any sense): 0.378 per million words
Appox. usage (any sense): 0.015 per million words