Key	Year	Country	Number of lactations	Length of the lactations (days)	Milk yield per recorded cow (kg)	Milk per cow in 305 days (kg)	Percent fat content (%)	Percent protein content (%)	Calving interval (days)	Others	E-mail address of the responsible
10	2010	Norway	151900	300	7125	6800	4,21	3,37	381		per.skipenes@tine.no
9	2009	Norway	152405	299	7057	6731	4,19	3,38	382		per.skipenes@tine.no
8	2008	Norway	158556	300	6921	6428	4,19	3,37	382		per.skipenes@tine.no
7	2007	Norway	160369	299	6757	6429	4,15	3,35	382		per.skipenes@tine.no
6	2006	Norway	161543	298	6586	6339	4,18	3,33	383		per.skipenes@tine.no
5	2005	Norway	162566	298	6541	6290	4,16	3,30	383		per.skipenes@tine.no
4	2004	Norway	271791	263	6469	5924	4,35	3,43	362		tone.roalkvam@tine.no
3	2003	Norway	265737	261	6314	5639	4,16	3,27	328		tone.roalkvam@tine.no
2	2002	Norway	233997	239	6190	4944	4,14	3,27	384		tone.roalkvam@tine.no
1	2001	Norway	294299	251	6078	5036	4,17	3,27	384		tone.roalkvam@tine.no