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
16	2008	NZ	2203560	216	3936.33	4970.67	4.61	3.63	369.9		nwilson@lic.co.nz
17	2007	NZ	2141529	211 Weighted average	3790.36 weighted average	4786.34	4.59	3.61	368.9		nwilson@lic.co.nz
14	2006	NZ	2058206	222 weighted average	3974.10 weighted average	5018.36	4.67	3.64	367.8		mhill@lic.co.nz
11	2005	NZ	2,151,745	221 weighted average	3952.06 weighted average	4990.52	4.61	3.61	367.8		lbutler@lic.co.nz
9	2004	NZ	2112321	221 weighted average	3846.46 weighted average	4853.01	4.67	3.56	369.16		lbutler@lic.co.nz
8	2003	NZ	2096309	221 weighted average	3942.29 weighted average	4973.92	4.68	3.54	368.4		lbutler@lic.co.nz
5	2002	NZ	2124035	219	3855.55	4894.98	4.83	3.81	368.3		lbutler@lic.co.nz
3	2001	NZ	2369669	227	3912.31	4845.52	4.79	3.76	368.1		lbutler@lic.co.nz