CITY	RATE_LEVEL	ZINC	RATE
1	1	26.4	0.5
1	1	23.5	0.5
1	1	25.4	0.5
1	1	22.9	0.5
1	2	25.2	1
1	2	39.2	1
1	2	25.5	1
1	2	31.9	1
1	3	26	1.5
1	3	44.6	1.5
1	3	35.5	1.5
1	3	38.6	1.5
2	1	30.1	0.5
2	1	31	0.5
2	1	30.8	0.5
2	1	32.8	0.5
2	2	47.7	1
2	2	39.1	1
2	2	55.3	1
2	2	50.7	1
2	3	73.8	1.5
2	3	71.1	1.5
2	3	68.4	1.5
2	3	77.1	1.5
3	1	19.4	0.5
3	1	19.3	0.5
3	1	18.7	0.5
3	1	19	0.5
3	2	23.2	1
3	2	21.3	1
3	2	23.2	1
3	2	19.9	1
3	3	18.9	1.5
3	3	19.8	1.5
3	3	19.6	1.5
3	3	21.9	1.5