_id	year	geography	ratio_annual	ratio_cumulative
1	1980	DVRPC Region	0.656	0.656
2	1981	DVRPC Region	0.622	0.641
3	1982	DVRPC Region	0.592	0.626
4	1983	DVRPC Region	0.571	0.607
5	1984	DVRPC Region	0.555	0.592
6	1985	DVRPC Region	0.559	0.584
7	1986	DVRPC Region	0.519	0.568
8	1987	DVRPC Region	0.491	0.555
9	1988	DVRPC Region	0.532	0.551
10	1989	DVRPC Region	0.490	0.545
11	1990	DVRPC Region	0.468	0.541
12	1991	DVRPC Region	0.434	0.535
13	1992	DVRPC Region	0.417	0.528
14	1993	DVRPC Region	0.424	0.521
15	1994	DVRPC Region	0.382	0.513
16	1995	DVRPC Region	0.359	0.505
17	1996	DVRPC Region	0.360	0.497
18	1997	DVRPC Region	0.348	0.489
19	1998	DVRPC Region	0.366	0.482
20	1999	DVRPC Region	0.338	0.474
21	2000	DVRPC Region	0.392	0.470
22	2001	DVRPC Region	0.349	0.465
23	2002	DVRPC Region	0.380	0.461
24	2003	DVRPC Region	0.443	0.461
25	2004	DVRPC Region	0.470	0.461
26	2005	DVRPC Region	0.496	0.463
27	2006	DVRPC Region	0.550	0.465
28	2007	DVRPC Region	0.526	0.467
29	2008	DVRPC Region	0.554	0.469
30	2009	DVRPC Region	0.550	0.470
31	2010	DVRPC Region	0.528	0.470
32	2011	DVRPC Region	0.556	0.472
33	2012	DVRPC Region	0.602	0.473
34	2013	DVRPC Region	0.617	0.476
35	2014	DVRPC Region	0.693	0.481
36	2015	DVRPC Region	0.651	0.485
37	2016	DVRPC Region	0.646	0.488
38	2017	DVRPC Region	0.635	0.491
39	2018	DVRPC Region	0.636	0.494
40	2019	DVRPC Region	0.700	0.499
41	2020	DVRPC Region	0.685	0.503
42	2021	DVRPC Region	0.861	0.522
43	2022	DVRPC Region	0.615	0.524
44	2023	DVRPC Region	0.656	0.527
45	2024	DVRPC Region	0.621	0.529