"type"	"constr"	"operate"	"months"	"acc"
"A"	"C6064"	"O6074"	127	0
"A"	"C6064"	"O7579"	63	0
"A"	"C6569"	"O6074"	1095	3
"A"	"C6569"	"O7579"	1095	4
"A"	"C7074"	"O6074"	1512	6
"A"	"C7074"	"O7579"	3353	18
"A"	"C7579"	"O6074"	NA	NA
"A"	"C7579"	"O7579"	2244	11
"B"	"C6064"	"O6074"	44882	39
"B"	"C6064"	"O7579"	17176	29
"B"	"C6569"	"O6074"	28609	58
"B"	"C6569"	"O7579"	20370	53
"B"	"C7074"	"O6074"	7064	12
"B"	"C7074"	"O7579"	13099	44
"B"	"C7579"	"O6074"	NA	NA
"B"	"C7579"	"O7579"	7117	18
"C"	"C6064"	"O6074"	1179	1
"C"	"C6064"	"O7579"	552	1
"C"	"C6569"	"O6074"	781	0
"C"	"C6569"	"O7579"	676	1
"C"	"C7074"	"O6074"	783	6
"C"	"C7074"	"O7579"	1948	2
"C"	"C7579"	"O6074"	NA	NA
"C"	"C7579"	"O7579"	274	1
"D"	"C6064"	"O6074"	251	0
"D"	"C6064"	"O7579"	105	0
"D"	"C6569"	"O6074"	288	0
"D"	"C6569"	"O7579"	192	0
"D"	"C7074"	"O6074"	349	2
"D"	"C7074"	"O7579"	1208	11
"D"	"C7579"	"O6074"	NA	NA
"D"	"C7579"	"O7579"	2051	4
"E"	"C7579"	"O7579"	45	0
"E"	"C6064"	"O7579"	NA	NA
"E"	"C6569"	"O6074"	789	7
"E"	"C6569"	"O7579"	437	7
"E"	"C7074"	"O6074"	1157	5
"E"	"C7074"	"O7579"	2161	12
"E"	"C7579"	"O6074"	NA	NA
"E"	"C7579"	"O7579"	542	1