Appox. usage (any sense): 1.3 per million words
Appox. usage (any sense): 0.634 per million words
Appox. usage (any sense): 0.267 per million words
Appox. usage (any sense): 0.414 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