_id	year	japanese_calendar	business_authorization_area	sewage_treatment_area	sewage_maintenance_rate	basic_resident_register_population	sewage_treatment_area_population	sewage_adoption_rate
1	1999	平成11	1540	1090	70.8	116994	58904	50.3
2	2000	平成12	1830	1171	64	116810	61132	52.3
3	2001	平成13	1830	1197	65.4	116518	62681	53.8
4	2002	平成14	1830	1234	67.4	116023	62019	53.5
5	2003	平成15	1830	1260	68.9	115185	63180	54.9
6	2004	平成16	1953	1384	70.9	121953	67257	55.1
7	2005	平成17	2096	1535	73.2	130340	72459	55.6
8	2006	平成18	2096	1591	75.9	129331	74950	58
9	2007	平成19	2096	1633	77.9	128404	76045	59.2
10	2008	平成20	2096	1676.7	80	127594	78571	61.6
11	2009	平成21	2120	1696.3	80	126623	78262	61.8
12	2010	平成22	2120	1719	81.1	125820	77860	61.9
13	2011	平成23	2120	1734.5	81.8	124978	78585	62.9
14	2012	平成24	2120	1749	82.5	124511	79149	63.6
15	2013	平成25	2184	1793.5	82.1	123823	80070	64.7
16	2014	平成26	2184	1819.4	83.3	122764	80784	65.8
17	2015	平成27	2184	1832.8	83.9	121802	81206	66.7
18	2016	平成28	2184	1846.6	84.6	120665	81660	67.7
19	2017	平成29	2184	1892.7	86.7	119681	82005	68.5
20	2018	平成30	2184	1931.5	88.4	118518	82080	69.2
21	2019	平成31/令和元	2184	1943.1	89	117329	81856	69.7
22	2020	令和2	2339	1951.2	83.4	116062	81316	70.1
23	2021	令和3	2339	1960.7	83.8	114639	81050	70.7
24	2022	令和4	2339	1970.7	84.3	113007	79753	70.6
25	2023	令和5	2339	1982.2	84.7	111324	79831	71.7