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
11	2011	Scotland	103303	584	176	7871	4.01	3.26		suzanne@holstein-uk.org
10	2010	Scotland	103562	603	171	7793	3.97	3.28		suzanne@holstein-uk.org
9	2009	Scotland	104287	619	168	7563	3.99	3.29		suzanne@holstein-uk.org
8	2008	Scotland	104555	626	167	7451	3.93	3.31		suzanne@holstein-uk.org
7	2007	Scotland	102984	619	166	7600	3.97	3.31		suzanne@holstein-uk.org
6	2006	Scotland	102344	662	154	7499	3.97	3.28		suzanne@holstein-uk.org
5	2005	Scotland	101665	691	147	7447	3.96	3.27	as 2004	suzanne@holstein-uk.org
4	2004	Scotland	95475	685	139	7242	3.94	3.25	All animals irrespective of length of lactation on test by test basis	suzanne@holstein-uk.org
1	2003	Scotland	93396	681	137	7116	3.87	3.28	All animals irrespective of length of lactation on test by test basis.	suzanne@holstein-uk.org
3	2002	Scotland	88753	648	136	6906	3.92	3.24		suzanne@holstein-uk.org
2	2001	Scotland	82119	611	134	6878	3.94	3.26		suzanne@holstein-uk.org