year	housing	pop	gnp	intrate
1963	1634.9	189.242	1873.3	5.89
1964	1561	191.889	1973.3	5.82
1965	1509.7	194.303	2208.3	5.81
1966	1195.8	196.56	2208.3	6.25
1967	1321.9	198.712	2271.4	6.46
1968	1545.4	200.706	2365.6	6.97
1969	1499.5	202.677	2423.3	7.8
1970	1469	205.052	2416.2	8.45
1971	2084.5	207.661	2484.8	7.74
1972	2378.5	209.896	2608.5	7.6
1973	2057.5	211.909	2744.1	7.96
1974	1352.5	213.854	2729.3	8.92
1975	1171.4	215.973	2695	9
1976	1547.6	218.035	2826.7	9
1977	2001.7	220.239	2958.6	9.02
1978	2036.1	222.585	3115.2	9.56
1979	1760	225.055	3192.4	10.78
1980	1312.6	227.757	3187.1	12.66
1981	1100.3	230.138	3248.8	14.7
1982	1072.1	232.52	3166	15.14
1983	1712.5	234.799	3279.1	12.57
1984	1755.8	237.019	3489.9	12.38
1985	1745	239.283	3585.2	11.55