Quantity

(litters)

Zone

Total

I

II

III

IV

V

N^o

%

N^o

%

N^o

%

N^o

%

N^o

%

N^o

%

5

7

14

2

4

4

8

1

2

13

26

27

54

10

3

6

4

8

1

2

2

4

4

8

14

28

15

0

0

2

4

0

0

1

2

1

2

4

8

>20

2

4

0

0

0

0

0

0

3

6

5

10

Total

12

24

8

16

5

10

4

8

21

42

50

100