Country/region

N

%

Diffa

5

3.38

Dosso

22

14.86

Maradi

30

20.28

Niamey

4

2.70

Sokoto (Nigeria)

1

0.67

Tahoua

32

21.63

Tillabéry

28

18.91

Zinder

26

17.57

Total

148

100