Appox. usage (any sense): 2.19 per million words
Appox. usage (any sense): 1.01 per million words
Appox. usage (any sense): 0.703 per million words
Appox. usage (any sense): 0.129 per million words
Appox. usage (any sense): less than 0.1 per million words
Appox. usage (any sense): 0.048 per million words