smart-fin-chart/data/ppmt_core_margin.csv

1	period	core_margin
2	2020H1	22.6
3	2020H2	27.2
4	2021H1	25.8
5	2021H2	24.4
6	2022H1	15.0
7	2022H2	10.8
8	2023H1	17.4
9	2023H2	18.3
10	2024H1	24.8
11	2024H2	31.5
12	2025H1	41.8
13	2025H2	45.6
14	2026H1	41.4