_id	Reference period	Reference date	Reference year	Proportion of households in RLI for pre-benefit income	Proportion of households in RLI for gross cash income	Proportion of households in RLI for net income before housing c	Proportion of households in RLI for net income after housing co
1	2009/2010	2009-12-31T00:00:00	2009	0.26	0.2	0.15	0.21
2	2014/2015	2014-12-31T00:00:00	2014	0.27	0.23	0.16	0.26
3	2019/2020	2019-12-31T00:00:00	2019	0.27	0.22	0.17	0.27
4	2021/2022	2023-03-31T00:00:00	2022	0.26	0.22	0.16	0.24