In case of which soft drink was the average annual sale minimum during the period 1988-1993

In which year sale of dew-drop in maximum

What was the approximate percent increase in sales of cool-sip in 1990 over its sales in 1989

What was the approximate percent drop in the sale of pep-up in 1990 over its in 1989

In case of which soft drink was the average annual sale maximum during the period 1988-1993

In which year the sale of cool-sip in minimum