_id	Tahun	Limbah
1	2018	73.63
2	2019	73.81
3	2020	78.48
4	2021	78.82
5	2022	85.30
6	2023	78.82
7	2024	86.53
8	2025	86.01
9	2018	73.63
10	2019	73.81
11	2020	78.48
12	2021	78.82
13	2022	85.3
14	2023	78.82
15	2024	86.53
16	2025	86.01