The number of coronary-bypass operations performed in the United States increased from 13,000 in 1970 to 191,000 in 1983

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The number of coronary-bypass operations performed in the United States increased from 13,000 in 1970 to 191,000 in 1983. What was the approximate percent increase in the number of coronary-bypass operations from 1970 to 1983?

A. 90%
B. 140%
C. 150%
D. 1,400%
E. 1,600%

OA D