Key	Year	Country	Number of recorded cows	Percent of recorded cows	Number of  recorded herds	Percent of recorded herds	Average number of cows per recorded herd	Percent of  recorded herds per method A3	Percent of  recorded herds per method A4	Percent of  recorded herds per method A6	Percent of  recorded herds per method AT	Percent of  recorded herds per method B	Others	E-mail address of the responsible
16	2010	Portugal	76849		1658		46.35							filomena_afonso@dgv.min-agricultura.pt
15	2009	Portugal	75030		1681		44.63							filomena_afonso@dgv.min-agricultura.pt
12	2008	Portugal	80009		1776		45.05		38.68		61.32			jaimemachado2007@gmail.com
11	2007	Portugal	92899		1860		49.95		37.69		62.31			eabl@mail.telepac.pt
10	2006	Portugal	100736		1961		51.37		37.35		62.65			eabl@mail.telepac.pt
9	2005	Portugal	103784		2007		51,71		36,37%		63,63%			eabl@mail.telepac.pt
8	2004	Portugal	105449		2130		49,51		35,68%		64,32%			jmachado@anable.pt
6	2003	Portugal	107491		2215		48,53		35,17%		64,83%			jmachado@anable.pt
5	2002	Portugal	109810		2320		47,33		36,1%		63,9%			jmachado@anable.pt
4	2001	Portugal	105000		2354		44,6		36,7%		63,3%			jmachado@anable.pt