_id	Trienni	Import
1	6 HORES	14.06
2	5.8 HORES	13.59
3	5.7 HORES	13.35
4	5.5 HORES	12.89
5	5.3 HORES	12.42
6	5.2 HORES	12.19
7	5 HORES	11.73
8	4.8 HORES	11.25
9	4.7 HORES	11.01
10	4.5 HORES	10.54
11	4.3 HORES	10.08
12	4.2 HORES	9.85
13	4 HORES	9.35
14	3.8 HORES	8.91
15	3.7 HORES	8.67
16	3.5 HORES	8.2
17	3.3 HORES	7.74
18	3.2 HORES	7.51
19	3 HORES	7.05
20	2.8 HORES	6.56
21	2.7 HORES	6.33
22	2.5 HORES	5.9
23	2.3 HORES	5.39
24	2.2 HORES	5.15
25	2 HORES	4.69
26	1.8 HORES	4.22
27	1.7 HORES	3.99
28	1.5 HORES	3.53
29	1.3 HORES	3.05
30	1.2 HORES	2.81
31	1 HORES	2.36