date,value
2015-01-01,1.52
2015-04-01,1.525
2015-07-01,1.519
2015-10-01,1.498
2016-01-01,1.471
2016-04-01,1.462
2016-07-01,1.455
2016-10-01,1.447
2017-01-01,1.44
2017-04-01,1.434
2017-07-01,1.438
2017-10-01,1.448
2018-01-01,1.457
2018-04-01,1.461
2018-07-01,1.463
2018-10-01,1.462
2019-01-01,1.455
2019-04-01,1.456
2019-07-01,1.451
2019-10-01,1.436
2020-01-01,1.39
2020-04-01,1.126
2020-07-01,1.176
2020-10-01,1.165
2021-01-01,1.155
2021-04-01,1.15
2021-07-01,1.152
2021-10-01,1.163
2022-01-01,1.162
2022-04-01,1.191
2022-07-01,1.219
2022-10-01,1.252
2023-01-01,1.286
2023-04-01,1.324
2023-07-01,1.352
2023-10-01,1.37
2024-01-01,1.373
2024-04-01,1.387
2024-07-01,1.393
2024-10-01,1.392
2025-01-01,1.39
2025-04-01,1.395
2025-07-01,1.408
2025-10-01,1.409