_id	code	acronym	validFrom	effectiveFrom	effectiveTo	shmu_id
1	81000001	BLOK	1800-01-01T00:00:00	1800-01-01T00:00:00	""	0
2	81000002	OK	1800-01-01T00:00:00	1800-01-01T00:00:00	""	1
3	81000003	ZMAZ	1800-01-01T00:00:00	1800-01-01T00:00:00	""	-1
4	81000004	CAK	1800-01-01T00:00:00	1800-01-01T00:00:00	""	2