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	2012	Jersey	2908	25	116	4303	5.23	3.82		suzanne@thecis.co.uk
8	2011	Jersey	2881	27	106	4304	5.15	3.82		suzanne@holstein-uk.org
7	2010	Jersey	2963	28	105	4338	5.2	3.84		suzanne@holstein-uk.org
6	2009	Jersey Island	2996	29	103	4311	5.22	3.9		suzanne@holstein-uk.org
3	2003	UK (Jersey)	3354	39	86	4581	5.08	3.85		henryr@nmr.co.uk
2	2002	UK (Jersey)	3931	45	87	4550	5.22	3.75		henryr@nmr.co.uk
1	2001	UK (Jersey)	4475	45	99	4663	5.10	3.73		henryr@nmr.co.uk