2023-01-15  -3
2023-02-15  -3
2023-03-15  1
2023-04-15  5
2023-05-15  8
2023-06-15  11
2023-07-15  14
2023-08-15  14
2023-09-15  11
2023-10-15  8
2023-11-15  2
2023-12-15  -2