The following are the available data for Belgium (Wallonia Region)

01 - National Milk Production
02 - Position of milk recording (Methods and Organisations)
03 - Costs and financing
04 - Results of milk recording
    04.1 - All breeds together - All recorded cows
    04.2 - All breeds together - Cows in herdbook
    04.3 - Main breeds - All recorded cows
    04.4 - Main breeds - Cows in herdbook

Data can be submitted within each of the page reported above  (Restricted access, only for authorised users), by clicking on the top right link in the above pages.