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
21	2011	England	168205	340	9698	8437	3.97	3.19	429		suzanne@holstein-uk.org
22	2011	Wales	23878	342	9208	8008	4.07	3.18	434		suzanne@holstein-uk.org
20	2010	Wales	21007	350	9155	7907	4.11	3.21	434		suzanne@holstein-uk.org
19	2010	England	161690	344	9594	8326	4.00	3.19	431		suzanne@holstein-uk.org
18	2009	Wales	19970	347	8908	7730	4.15	3.23	435		suzanne@holstein-uk.org
17	2009	England	160076	340	9377	8159	4	3.21	434		suzanne@holstein-uk.org
16	2008	Wales	17614	345	8779	7604	4.18	3.24	436		suzanne@holstein-uk.org
15	2008	England	152223	344	9451	8192	4.00	3.2	434		suzanne@holstein-uk.org
14	2007	Wales	16043	342	8771	7654	4.17	3.21	435		suzanne@holstein-uk.org
13	2007	England	136580	342	9434	8217	3.99	3.19	431		suzanne@holstein-uk.org
12	2006	Wales	15721	341	8913	7828	4.19	3.27	431		suzanne@holstein-uk.org
11	2006	England	126170	338	9297	8145	4.11	3.25	428		suzanne@holstein-uk.org
9	2005	England	118904	329	9052	8010	4.09	3.25	429		suzanne@holstein-uk.org
10	2005	Wales	14303	331	8688	7676	4.22	3.28	426		suzanne@holstein-uk.org
8	2004	Wales	15096	328	8479	7536	4.18	3.29	421		suzanne@holstein-uk.org
7	2004	England	108237	331	9056	8011	4.03	3.26	422		suzanne@holstein-uk.org
6	2003	Wales	8492	336	8251	7388	4.10	3.30	419		suzanne@holstein-uk.org
3	2003	England	65320	335	8692	7727	4.00	3.27	419		suzanne@holstein-uk.org
5	2002	Wales	7191	336	8027	7158	4.10	3.30	415		suzanne@holstein-uk.org
2	2002	England	49227	341	8617	7610	4.01	3.28	409		suzanne@holstein-uk.org
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