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
3	2001	Ireland	303,313	267	5,954		3.70%	3.31%	380.0		acromie@icbf.com
4	2002	Ireland	282,156	293	6,049 kg		3.71%	3.33%			acromie@icbf.com
5	2003	Ireland	310,456	273	6,166kg		3.68%	3.40%			mburke@icbf.com
6	2004	Ireland	381,430	288	6,553kg		3.70%	3.37%	383		mburke@icbf.com
7	2005	Ireland	380,196	294	6,678kg		3.77%	3.35%	382		mburke@icbf.com
8	2006	Ireland	410,407	297	6,723kg		3.77%	3.36%	382		mburke@icbf.com
9	2007	Ireland	428,179	298	6,639kg		3.80%	3.39%	381		mburke@icbf.com
10	2008	Ireland	455,129	302	6,695kg		3.85%	3.41%	383		mburke@icbf.com
11	2009	Ireland	401,294	306	6493kg		3.88%	3.42%	385		mburke@icbf.com