rownames,y,lag.quarterly.revenue,price.index,income.level,market.potential
1962.25,8.79236,8.79636,4.70997,5.8211,12.9699
1962.5,8.79137,8.79236,4.70217,5.82558,12.9733
1962.75,8.81486,8.79137,4.68944,5.83112,12.9774
1963,8.81301,8.81486,4.68558,5.84046,12.9806
1963.25,8.90751,8.81301,4.64019,5.85036,12.9831
1963.5,8.93673,8.90751,4.62553,5.86464,12.9854
1963.75,8.96161,8.93673,4.61991,5.87769,12.99
1964,8.96044,8.96161,4.61654,5.89763,12.9943
1964.25,9.00868,8.96044,4.61407,5.92574,12.9992
1964.5,9.03049,9.00868,4.60766,5.94232,13.0033
1964.75,9.06906,9.03049,4.60227,5.95365,13.0099
1965,9.05871,9.06906,4.5896,5.9612,13.0159
1965.25,9.10698,9.05871,4.57592,5.97805,13.0212
1965.5,9.12685,9.10698,4.58661,6.00377,13.0265
1965.75,9.17096,9.12685,4.57997,6.02829,13.0351
1966,9.18665,9.1709599999999991,4.57176,6.03475,13.0429
1966.25,9.23823,9.18665,4.56104,6.03906,13.0497
1966.5,9.26487,9.23823,4.54906,6.05046,13.0551
1966.75,9.28436,9.26487,4.53957,6.05563,13.0634
1967,9.31378,9.28436,4.51018,6.06093,13.0693
1967.25,9.35025,9.31378,4.50352,6.07103,13.0737
1967.5,9.35835,9.35025,4.4936,6.08018,13.077
1967.75,9.39767,9.35835,4.46505,6.08858,13.0849
1968,9.4215,9.39767,4.44924,6.10199,13.0918
1968.25,9.44223,9.4215,4.43966,6.11207,13.095
1968.5,9.48721,9.44223,4.42025,6.11596,13.0984
1968.75,9.52374,9.48721,4.4106,6.12129,13.1089
1969,9.5398,9.52374,4.41151,6.122,13.1169
1969.25,9.58123,9.5398,4.3981,6.13119,13.1222
1969.5,9.60048,9.58123,4.38513,6.14705,13.1266
1969.75,9.64496,9.60048,4.3732,6.15336,13.1356
1970,9.6439,9.64496,4.3277,6.15627,13.1415
1970.25,9.69405,9.6439,4.32023,6.16274,13.1444
1970.5,9.69958,9.69405,4.30909,6.17369,13.1459
1970.75,9.68683,9.69958,4.30909,6.16135,13.152
1971,9.71774,9.68683,4.30552,6.18231,13.1593
1971.25,9.74924,9.71774,4.29627,6.18768,13.1579
1971.5,9.77536,9.74924,4.27839,6.19377,13.1625
1971.75,9.79424,9.77536,4.27789,6.2003,13.1664