Year	Block number	①	②	③	④	⑤	⑥	⑦	⑧
Year	Block name	2-2	3-1-3	3-1-2	3-1-1	2-1	2-4	3-3	3-2-2
1976	Paddy	0.22	0.91	1.79	0.62	1.27	0.75	0.68	0.58
	Upland	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
	Residential	0.03	0.20	0.26	0.05	0.19	0.08	0.56	0.38
1987	Paddy	0.21	0.86	1.74	0.60	1.25	0.71	0.58	0.46
	Upland	0.00	0.00	0.01	0.00	0.00	0.00	0.00	0.00
	Residential	0.04	0.25	0.31	0.07	0.21	0.12	0.66	0.50
1991	Paddy	0.21	0.86	1.74	0.61	1.25	0.72	0.57	0.45
	Upland	0.00	0.00	0.01	0.00	0.00	0.00	0.00	0.00
	Residential	0.04	0.25	0.30	0.06	0.21	0.11	0.67	0.51
1997	Paddy	0.21	0.85	1.73	0.60	1.22	0.70	0.51	0.40
	Upland	0.00	0.00	0.01	0.00	0.00	0.00	0.00	0.00
	Residential	0.04	0.26	0.31	0.07	0.24	0.13	0.73	0.56
2009	Paddy	0.14	0.65	1.67	0.59	1.11	0.63	0.27	0.26
	Upland	0.00	0.00	0.06	0.00	0.00	0.00	0.00	0.00
	Residential	0.11	0.46	0.32	0.08	0.35	0.20	0.97	0.70
	IROR^*	4.11	2.28	1.22	1.59	1.80	2.52	1.71	1.85
Year	Block number	⑨	⑩	⑪	⑫	⑬	⑭	⑮
Year	Block name	3-2-1	K-4	K-3	K-2	K-1	3-5	Y	Total
1976	Paddy	0.46	0.49	1.30	0.96	0.92	1.69	0.38	13.03
	Upland	0.00	0.00	0.00	0.00	0.00	0.00	0.40	0.40
	Residential	0.37	0.00	0.12	0.23	0.16	1.02	0.48	4.13
1987	Paddy	0.39	0.47	1.04	0.92	0.67	1.45	0.15	11.49
	Upland	0.00	0.00	0.00	0.00	0.00	0.00	0.42	0.43
	Residential	0.44	0.02	0.38	0.27	0.41	1.26	0.70	5.63
1991	Paddy	0.38	0.47	0.95	0.77	0.59	1.45	0.16	11.18
	Upland	0.00	0.00	0.00	0.00	0.00	0.00	0.41	0.42
	Residential	0.45	0.02	0.47	0.42	0.49	1.26	0.68	5.94
1997	Paddy	0.36	0.44	0.90	0.73	0.57	1.22	0.14	10.58
	Upland	0.00	0.00	0.00	0.00	0.00	0.00	0.42	0.43
	Residential	0.47	0.05	0.52	0.46	0.51	1.49	0.70	6.53
2009	Paddy	0.13	0.41	0.69	0.58	0.50	0.91	0.12	8.60
	Upland	0.00	0.00	0.02	0.01	0.00	0.00	0.42	0.50
	Residential	0.70	0.08	0.72	0.61	0.58	1.80	0.71	8.38
	IROR^*	1.91	-	5.93	2.68	3.59	1.77	1.48	2.03