"time"	"UKgas"
1960	160.1
1960.25	129.7
1960.5	84.8
1960.75	120.1
1961	160.1
1961.25	124.9
1961.5	84.8
1961.75	116.9
1962	169.7
1962.25	140.9
1962.5	89.7
1962.75	123.3
1963	187.3
1963.25	144.1
1963.5	92.9
1963.75	120.1
1964	176.1
1964.25	147.3
1964.5	89.7
1964.75	123.3
1965	185.7
1965.25	155.3
1965.5	99.3
1965.75	131.3
1966	200.1
1966.25	161.7
1966.5	102.5
1966.75	136.1
1967	204.9
1967.25	176.1
1967.5	112.1
1967.75	140.9
1968	227.3
1968.25	195.3
1968.5	115.3
1968.75	142.5
1969	244.9
1969.25	214.5
1969.5	118.5
1969.75	153.7
1970	244.9
1970.25	216.1
1970.5	188.9
1970.75	142.5
1971	301
1971.25	196.9
1971.5	136.1
1971.75	267.3
1972	317
1972.25	230.5
1972.5	152.1
1972.75	336.2
1973	371.4
1973.25	240.1
1973.5	158.5
1973.75	355.4
1974	449.9
1974.25	286.6
1974.5	179.3
1974.75	403.4
1975	491.5
1975.25	321.8
1975.5	177.7
1975.75	409.8
1976	593.9
1976.25	329.8
1976.5	176.1
1976.75	483.5
1977	584.3
1977.25	395.4
1977.5	187.3
1977.75	485.1
1978	669.2
1978.25	421
1978.5	216.1
1978.75	509.1
1979	827.7
1979.25	467.5
1979.5	209.7
1979.75	542.7
1980	840.5
1980.25	414.6
1980.5	217.7
1980.75	670.8
1981	848.5
1981.25	437
1981.5	209.7
1981.75	701.2
1982	925.3
1982.25	443.4
1982.5	214.5
1982.75	683.6
1983	917.3
1983.25	515.5
1983.5	224.1
1983.75	694.8
1984	989.4
1984.25	477.1
1984.5	233.7
1984.75	730
1985	1087
1985.25	534.7
1985.5	281.8
1985.75	787.6
1986	1163.9
1986.25	613.1
1986.5	347.4
1986.75	782.8