1
Published 2017
World Bank Group

2
Published 2018
World Bank Group

3
Published 2017
World Bank Group

4
Published 2017
World Bank Group

6
Published 1999
World Bank Group

8
Published 2007
USAID

10
by Rzonca, Andrzej
Published 2015
World Bank Group

12
Published 2017
The World Bank

15
Published 2017
The World Bank

16
Published 2016
The World Bank

17
Published 2011
The World Bank

18
Published 2017
The World Bank

20
Published 2017
The World Bank