Key	Year	Country	Total number of dairy cows	Total number of dairy herds	Average of cows per herd	Average milk production per cow per year (kg)	Percent of fat production per cow per year (%)	Percent of protein production per cow per year (%)	Others	E-mail address of the responsible
9	2009	Northern Ireland	92285	722	127	6570	4.15	3.34		suzanne@holstein-uk.org
8	2008	Northern Ireland	101679	790	128	6764	4.02	3.32		suzanne@holstein-uk.org
7	2007	Northern Ireland	97670	788	123	6803	3.99	3.28		suzanne@holstein-uk.org
6	2006	Northern Ireland	94918	799	118	6838	3.98	3.23		suzanne@holstein-uk.org
4	2004	Northern Ireland	290,000	4,201	68	6,270	3.96	3.27
3	2003	Northern Ireland	291,000	4,425	66	6,260	3.85	3.22
2	2002	North Ireland	295,000	4492	66	6200	3.90	3.20
1	2001	Norther Ireland	294000	4583	64	6127	3.96	3.24		brian.hunter@utdni.co.uk