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
10	2010	Portugal	76849			9246	3.63	3.32			filomena_afonso@dgv.min-agricultura.pt
9	2009	Portugal	75030			8980	3.65	3.30			filomena_afonso@dgv.min-agricultura.pt
8	2008	Portugal	80009	365	10330	8920	3,66%	3,27%	436		jaimemachado2007@gmail.com
7	2007	Portugal	80116	366	10134	8688	3,61%	3,21%	437		jaimemachado2007@gmail.com
6	2006	Portugal	84880	361	10014	8659	3,57%	3,21%	431		jaimemachado2007@gmail.com
5	2005	Portugal	88527	358	9733	8453	3,59%	3,26%	428		jaimemachado2007@gmail.com
4	2004	Portugal	90254	361	9439	8166	3,62%	3,25%	431		jmachado@anable.pt
3	2003	Portugal	91281	354	9065	7940	3,64%	3,21%	426		jmachado@anable.pt
2	2002	Portugal	94623	350	8760	7727	3,68%	3,22%	421		jmachado@anable.pt
1	2001	Portugal	90382	348	8367	7427	3,66%	3,20%			jmachado@anable.pt