Appox. usage (any sense): 45 per million words
Appox. usage (any sense): 0.21 per million words
Appox. usage (any sense): 0.21 per million words
Appox. usage (any sense): 1.64 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): 0.24 per million words