Table 3 Percentage distribution of sample households by geographical region and areas between 1996 and 2015

11.75

22.32

20.47

32.52

12.94

30.83

69.17

15,037,898

11.97

22.47

19.99

32.50

13.07

31.18

68.82

15,758,198

12.19

22.58

19.78

32.36

13.09

31.57

68.43

16,086,398

12.43

22.67

19.50

32.25

13.15

32.56

67.44

16,323,070

12.39

22.94

19.70

31.91

13.06

32.61

67.39

16,765,049

10.76

24.58

19.57

32.07

13.02

31.61

68.39

18,051,358

10.78

24.75

19.40

31.99

13.09

31.78

68.22

18,178,247

10.37

24.48

19.71

32.46

12.99

32.11

67.89

18,993,547

10.31

24.19

19.74

32.48

13.27

33.13

66.87

19,579,220

10.24

24.24

19.71

32.44

13.36

36.00

64.00

19,740,866

9.84

24.57

19.67

32.39

13.53

36.19

63.81

19,985,866

9.77

24.63

19.64

32.39

13.57

36.18

63.82

20,068,020

9.71

24.66

19.60

32.37

13.65

36.14

63.86

20,167,519

12.33

29.84

18.30

26.49

13.03

46.28

53.72

20,601,044

13.66

29.77

17.86

25.92

12.78

47.52

52.48

21,325,999