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	Canada	298068	305		9768	3.79	3.21	432		slafontaine@valacta.com
9	2009	Canada	305746	305		9592	3.81	3.22	433		slafontaine@valacta.com
8	2008	Canada	295275	305		9642	3.78	3.23	432		slafontaine@valacta.com
7	2007	Canada	289072	305		9538	3.77	3.22	430		slafontaine@valacta.com
6	2006	Canada	285418	305		9481	3.75	3.21	430
5	2005	Canada	285815	305		9422	3.76	3.21	429
4	2004	Canada	292180	305		9458	3.72	3.22			slafontaine@valacta.com
3	2003	Canada	294747	305		9519	3.73	3.23			slafontaine@valacta.com
2	2002	Canada	293634	305		9511	3.72	3.25			brussell@adlic.ca
1	2001	Canada	274658	305		9242	3.72	3.24			brussell@adlic.ca