Appox. usage (any sense): 0.258 per million words
Appox. usage (any sense): 0.18 per million words
Appox. usage (any sense): 0.051 per million words
Appox. usage (any sense): 2.87 per million words
Appox. usage (any sense): 1.71 per million words
Appox. usage (any sense): 0.309 per million words