Table 3 Holdings with greenhouses and area of greenhouses, by size of greenhouse area and county. 1979, 1989, 1999 and 2010

3 Holdings with greenhouses and area of greenhouses¹, by size of greenhouse area and county. 1979, 1989, 1999 and 2010²
	Holdings with greenhouses					Area of greenhouses

	Total	By size of greenhouse area in m²				Total	By size of greenhouse area in m²
	Total	300-999	1 000-1 999	2 000-4 999	5000	Total	300-999	1 000-1 999	2 000-4 999	5000

						1 000 m²
1979	1 549	889	414	197	49	2 064.5	501.1	542.3	560.0	461.1
1989	1 270	613	376	215	66	2 045.7	344.5	499.5	582.8	619.0
1999	957	370	281	227	79	2 002.5	221.0	377.8	662.3	741.4
2010	637	222	145	153	117	2 047.7	132.0	195.6	451.1	1 269.0

2010
County
Østfold	49	15	14	8	12	184.5	8.0	20.1	23.2	133.2
Akershus og Oslo	33	4	8	13	8	136.5	2.3	11.2	42.0	81.0
Hedmark	35	17	6	7	5	73.4	10.1	7.8	20.5	35.0
Oppland	25	10	8	4	3	60.7	6.3	11.3	14.4	28.8
Buskerud	66	16	19	16	15	253.2	9.6	24.6	48.0	171.1
Vestfold	51	18	12	9	12	189.9	11.3	16.2	28.9	133.5
Telemark	17	13	:	:	:	31.9	7.9	:	:	:
Aust-Agder	21	7	4	5	5	85.6	4.2	5.9	17.7	58.0
Vest-Agder	21	10	:	7	:	40.5	6.0	:	21.0	:
Rogaland	129	17	26	48	38	643.9	11.3	35.1	134.7	462.8
Hordaland	37	11	7	13	6	103.7	6.9	10.2	40.4	46.2
Sogn og Fjordane	14	10	:	:	-	13.7	6.2	:	:	-
Møre og Romsdal	23	6	9	7	:	37.9	3.6	11.0	18.0	:
Sør-Trøndelag	18	13	3	:	-	15.6	6.8	3.8	:	-
Nord-Trøndelag	40	14	11	6	9	114.1	8.0	14.5	15.5	76.1
Nordland	32	21	8	:	:	38.6	12.5	10.2	:	9.7
Troms Romsa	20	14	:	:	-	20.3	7.5	:	:	-
Finnmark Finnmárku	6	6	-	-	-	3.6	3.6	-	-	-

¹	Comprise holdings with at least 300 m² of greenhouse area (1979: included frames).
²	Small changes 13 December 2011 at 1317.
Source: Census of Agriculture and Forestry 1979, Census of Agriculture and Forestry 1989, Census of Agriculture 1999, Census of Agriculture and Forestry 2010, Statistics Norway.