The following data show the amount of the annual water supply in Tokyo from 1946 to 2014. Water supply Leakage volume Leakage rate (%) 1946 1,214 826 68.0 1950 1,344 403 30.0 1954 1,611 354 22.0 1958 1,918 384 20.0 1962 2,491 523 21.0 1966…