Year,Sales,DisIn
1955,3.307,273.4
1956,3.556,291.3
1957,3.601,306.9
1958,3.721,317.1
1959,4.036,336.1
1960,4.134,349.4
1961,4.268,362.9
1962,4.578,383.9
1963,5.093,402.8
1964,5.716,437
1965,6.357,472.2
1966,6.769,510.4
1967,7.296,544.5
1968,8.178,588.1
1969,8.844,630.4
1970,9.251,685.9
1971,10.006,742.8
1972,11.2,801.3
1973,12.5,903.1
1974,13.101,983.6
1975,13.64,1076.7