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
18	2010	UK (England & Wales)	709504	4664	152	9310	4.0	3.28		RichardN@nmr.co.uk
16	2009	UK(England & Wales)	716,107	4782	150	9090	4.0	3.3		RichardN@nmr.co.uk
15	2008	UK (England & Wales)	774493	5306	146	9010	4.03	3.21		RichardN@nmr.co.uk
13	2007	UK (England &Wales)	784619	5423	144	8730	3.99	3.33		RichardN@nmr.co.uk
12	2006	UK (England &Wales)	784149	5791	135	8754	3.99	3.27		RichardN@nmr.co.uk
11	2005	UK (England &Wales)	792400	6068	131	8733	3.96	3.27		RichardN@nmr.co.uk
10	2004	UK (England &ales)	804762	6068	133	8591	3.93	3.28		RichardN@nmr.co.uk
3	2003	UK (England & Wales)	1710000	17100	100	6476	3.97	3.30		henryr@nmr.co.uk
2	2002	UK (England &Wales)	1730000	18586	93	6450	3.97	3.30		henryr@nmr.co.uk
1	2001	UK (England & Wales)	1760000	20191	87	6048	4.00	3.29		henryr@nmr.co.uk