Saturated steam at 121 °C is used to sterilize pineapple juice by direct steam injection. The initial temperature of the juice is 80 °C and after sterilization, the blend of diluted juice exits the sterilizer at 95 °C. The enthalpy values of steam and condensate water are given in Table below. Specific heat capacity of the juice is 3.9 kJ kg⁻¹ °C⁻¹. Assuming no energy loss to the surroundings in the process of sterilization, the ratio of juice sterilized to steam utilized is ____________.