rownames,time,value
1,1960,160.1
2,1960.25,129.7
3,1960.5,84.8
4,1960.75,120.1
5,1961,160.1
6,1961.25,124.9
7,1961.5,84.8
8,1961.75,116.9
9,1962,169.7
10,1962.25,140.9
11,1962.5,89.7
12,1962.75,123.3
13,1963,187.3
14,1963.25,144.1
15,1963.5,92.9
16,1963.75,120.1
17,1964,176.1
18,1964.25,147.3
19,1964.5,89.7
20,1964.75,123.3
21,1965,185.7
22,1965.25,155.3
23,1965.5,99.3
24,1965.75,131.3
25,1966,200.1
26,1966.25,161.7
27,1966.5,102.5
28,1966.75,136.1
29,1967,204.9
30,1967.25,176.1
31,1967.5,112.1
32,1967.75,140.9
33,1968,227.3
34,1968.25,195.3
35,1968.5,115.3
36,1968.75,142.5
37,1969,244.9
38,1969.25,214.5
39,1969.5,118.5
40,1969.75,153.7
41,1970,244.9
42,1970.25,216.1
43,1970.5,188.9
44,1970.75,142.5
45,1971,301
46,1971.25,196.9
47,1971.5,136.1
48,1971.75,267.3
49,1972,317
50,1972.25,230.5
51,1972.5,152.1
52,1972.75,336.2
53,1973,371.4
54,1973.25,240.1
55,1973.5,158.5
56,1973.75,355.4
57,1974,449.9
58,1974.25,286.6
59,1974.5,179.3
60,1974.75,403.4
61,1975,491.5
62,1975.25,321.8
63,1975.5,177.7
64,1975.75,409.8
65,1976,593.9
66,1976.25,329.8
67,1976.5,176.1
68,1976.75,483.5
69,1977,584.3
70,1977.25,395.4
71,1977.5,187.3
72,1977.75,485.1
73,1978,669.2
74,1978.25,421
75,1978.5,216.1
76,1978.75,509.1
77,1979,827.7
78,1979.25,467.5
79,1979.5,209.7
80,1979.75,542.7
81,1980,840.5
82,1980.25,414.6
83,1980.5,217.7
84,1980.75,670.8
85,1981,848.5
86,1981.25,437
87,1981.5,209.7
88,1981.75,701.2
89,1982,925.3
90,1982.25,443.4
91,1982.5,214.5
92,1982.75,683.6
93,1983,917.3
94,1983.25,515.5
95,1983.5,224.1
96,1983.75,694.8
97,1984,989.4
98,1984.25,477.1
99,1984.5,233.7
100,1984.75,730
101,1985,1087
102,1985.25,534.7
103,1985.5,281.8
104,1985.75,787.6
105,1986,1163.9
106,1986.25,613.1
107,1986.5,347.4
108,1986.75,782.8