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	2009	Ireland	1,107,000	20,721	53.4	4,562	3.83	3.34		mburke@icbf.com
17	2008	Ireland	1,104,800	22,010	50.2	4720	3.81	3.34		mburke@icbf.com
16	2007	Ireland	1,038,520	22,042	47.1	4722	3.78	3.31		mburke@icbf.com
14	2006	Ireland	1,090,000	22,386	48.6	4713	3.78	3.31		mburke@icbf.com
13	2005	Ireland	1,101,100	24,127	45.6	4681	3.77	3.30		mburke@icbf.com
12	2004	Ireland	1,121,800	25,000	44.8	4697	3.75	3.30		mburke@icbf.com
8	2003	Ireland	1,135,700	26,000	42.2	4677	3.73	3.30		mburke@icbf.com
7	2002	Ireland	1,149,480	26,500	43.4	4509	3.73	3.27		mburke@icbf.com
1	2001	Ireland	1,233,100	27,500	44.8	4204	3.74	3.28		acromie@icbf.com