Appox. usage (any sense): 157 per million words
Appox. usage (any sense): 157 per million words
Appox. usage (any sense): 298 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): less than 0.1 per million words