Production methods Agricultural holdings with slurry storage systems, by types of covers between March 2019 and February 2020 (in thousands)

1: Floating cover due to the solid content in the slurry.

2: Floating cover due to chopped straw or pellets.
A: = Error class A of the relative standard error less than ± 2 percent.
B: = Error class B of the relative standard error ± 2 to under ± 5 percent.
C: = Error class C of the relative standard error ± 5 to under ± 10 percent.

E: = Error class C oE of the relative standard error above ± 15 percent. No data because value is not certain enough.