1996

2016

2016

Number of households (thousands)

proportion

(%)

Number of households (thousands)

proportion

(%)

Rate of increase

Pigs on hand (millions)

proportion

(%)

Total head

135,155

100

34,259

100

−74.7

348.50

100

1 - 5

104,575

77.37

26,453

77.21

−74.7

59.64

17.1

6 - 10

22,290

16.49

3722

10.87

−83.3

28.74

8.2

11 - 20

6138

4.54

2127

6.21

−65.3

31.85

9.1

21 - 30

1346

1.00

602

1.76

−55.2

16.32

4.7

31 - 50

503

0.37

515

1.50

2.4

22.06

6.3

51 - 70

128

0.09

192

0.56

50.0

11.75

3.4

71 - 100 head

72

0.05

265

0.77

268.0

24.10

6.9

101 - 150 head

49

0.04

97

0.28

98.5

12.39

3.6

151 - 200 head

20

0.01

78

0.23

290.0

14.69

4.2

201 or more

35

0.03

207

0.60

490.4

126.95

36.4