_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	2018	73.63
9	2019	73.81
10	2020	78.48
11	2021	78.82
12	2022	85.3
13	2023	78.82
14	2024	86.53