Key	Year	Country	Total number of dairy cows	Total number of dairy herds	Average of cows per herd	Average milk production per cow per year (kg)	Percent of fat production per cow per year (%)	Percent of protein production per cow per year (%)	Others	E-mail address of the responsible
10	2010	Czech Republic	378 415			7 090	3,86	3,37		bucek@cmsch.cz
9	2009	Czech Republic	394 122			7 055	3,85	3,33		bucpav@centrum.cz
8	2008	Czech Republic	403 638			6 959	3,86	3,35		bucpav@centrum.cz
7	2007	Czech Republic	409 802			6 725	3,88	3,37		bucpav@centrum.cz
6	2006	Czech Republic	422 949			6 541	3,80	3,38		bucpav@centrum.cz
5	2005	Czech Republic	437 947			6 423	3,90	3,38		bucpav@centrum.cz
4	2004	Czech Republic	445 000			6 198	4,00	3,40		bucpav@centrum.cz
3	2003	Czech Republic	460 000			5 924	3,97	3,38		bucpav@centrum.cz
2	2002	Czech Republic	477 000			5 890	3,98	3,34		bucpav@centrum.cz
1	2001	Czech Republic	483 500			5 756	4,03	3,36		bucpav@centrum.cz