year

Number of Sheep (×1000)

Estimated dry manure (ton)

Estimated biogas production (×1000 m3)

2010

2175.70

100,060.44

25,815.59

2011

2264.60

104,148.95

26,870.43

2012

2234.00

102,741.66

26,507.35

2013

2311.10

106,287.49

27,422.17

2014

2680.30

123,267.00

31,802.89

2015

2596.40

119,408.44

30,807.38

2016

3198.90

147,117.41

37,956.29

Average

2494.43

114,718.77

29,597.44