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
12	2010	Canada	706029	72.0	9767	75.3	72.3							slafontaine@valacta.com
11	2009	Canada	711810	72.8	9859	74.6	72.4							slafontaine@valacta.com
10	2008	Canada	706957	71.5	10025	73.8	70.5							slafontaine@valacta.com
9	2007	Canada	718018	72.6	10375	70.1	69.2
8	2006	Canada	697838	66.5	10581	68.2	66.0
7	2005	Canada	718112	67.3	11116	68.5	64.6
4	2004	Canada	745236	70.0	11736	69.2	63.5							slafontaine@valacta.com
3	2003	Canada	746641	70.1	12088	67.4	61.8							slafontaine@valacta.com
2	2002	Canada	727069	67.6	12672	67.9	57.4							brussell@adlic.ca
1	2001	Canada	732261	67.6	13127	67.6	55.8							brussell@adlic.ca