_id	VARIABLE	REGION_CODE	REGION_NAME
1	RR	10	BELGIUM
2	RR	11	LOW_BELGIUM
3	RR	12	MIDDLE_BELGIUM
4	RR	13	HIGH_BELGIUM
5	TN	20	BELGIUM
6	TN	21	LOW_BELGIUM
7	TN	22	MIDDLE_BELGIUM
8	TN	23	HIGH_BELGIUM
9	TX	20	BELGIUM
10	TX	21	LOW_BELGIUM
11	TX	22	MIDDLE_BELGIUM
12	TX	23	HIGH_BELGIUM