Appox. usage (any sense): 2.71 per million words
Appox. usage (any sense): 0.859 per million words
Appox. usage (any sense): 0.333 per million words
Appox. usage (any sense): 2.77 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