_id	anno	trimestre	giorni
1	2022	1	-11
2	2022	2	-7.52
3	2021	1	-1.418
4	2021	2	-3.72
5	2021	3	-4.85
6	2021	4	-10.716
7	2020	1	-2.219
8	2020	2	5.092
9	2020	3	1.42
10	2020	4	-4.726
11	2019	1	-8.94
12	2019	2	-6.24
13	2019	3	-10.618
14	2019	4	-10.812
15	2018	1	-7.79
16	2018	2	-4.96
17	2018	3	-7.78
18	2018	4	-0.08
19	2017	1	-13.3
20	2017	2	3.34
21	2017	3	-13.12
22	2017	4	-13.107
23	2016	1	22.27
24	2016	2	34.5
25	2016	3	10.71
26	2016	4	-0.51
27	2015	1	11.07
28	2015	2	12.64
29	2015	3	51.26
30	2015	4	-0.53