Appox. usage (any sense): 826 per million words
Appox. usage (any sense): 44.3 per million words
Appox. usage (any sense): 7.75 per million words
Appox. usage (any sense): 0.601 per million words
Appox. usage (any sense): 0.291 per million words
Usage unknown
Appox. usage (any sense): less than 0.1 per million words
Usage unknown