Jahr,"<10,0 ha","10,0–29,9 ha","30,0+ ha" 2012,212,520,233 2013,203,494,244 2014,214,484,247 2015,217,462,257 2016,202,445,264 2017,205,433,264 2018,216,427,265 2019,223,414,270 2020,222,407,269 2021,230,393,275