_id	fecha	valor
1	2026-01-01T00:00:00	26.08
2	2026-02-01T00:00:00	31.21
3	2026-03-01T00:00:00	39.53
4	2026-04-01T00:00:00	33.94
5	2026-05-01T00:00:00	
6	2026-06-01T00:00:00	
7	2026-07-01T00:00:00	
8	2026-07-02T00:00:00	
9	2026-07-03T00:00:00	
10	2026-07-04T00:00:00	
11	2026-07-05T00:00:00	
12	2026-07-06T00:00:00	
13	2026-07-07T00:00:00	
14	2026-07-08T00:00:00	
15	2026-07-09T00:00:00	
16	2026-07-10T00:00:00	
17	2026-07-11T00:00:00	
18	2026-07-12T00:00:00	
19	2026-07-13T00:00:00	
20	2026-07-14T00:00:00	
21	2026-07-15T00:00:00	
22	2026-07-16T00:00:00	
23	2026-07-17T00:00:00	
24	2026-07-18T00:00:00	
25	2026-07-19T00:00:00	
26	2026-07-20T00:00:00	
27	2026-07-21T00:00:00	
28	2026-07-22T00:00:00	
29	2026-07-23T00:00:00	
30	2026-07-24T00:00:00	
31	2026-07-25T00:00:00	
32	2026-07-26T00:00:00	
33	2026-07-27T00:00:00	
34	2026-07-28T00:00:00	
35	2026-07-29T00:00:00	
36	2026-07-30T00:00:00	
37	2026-07-31T00:00:00