Appox. usage (any sense): 698 per million words
Appox. usage (any sense): 0.089 per million words
Appox. usage (any sense): 1.38 per million words
Appox. usage (any sense): 0.36 per million words
Appox. usage (any sense): 2.1 per million words
Appox. usage (any sense): 1.4 per million words