Appox. usage (any sense): less than 0.1 per million words
Appox. usage (any sense): 1.77 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): 1.77 per million words
Appox. usage (any sense): less than 0.1 per million words