1
Published 2008
Andean Community General Secretariat

2
Published 2010
International Monetary Fund

3
Published 2002
OECD Publishing

6
Published 2018
International Labour Organization

7
Published 2013
Eurostat

9
Published 2016
Asian Development Bank Institute

10
Published 2017
International Labour Organization

11
Published 2015
Asian Development Bank Institute

16
Published 2018
International Labour Organization

17
Published 2018
International Labour Organization

18
Published 2020
OECD Publishing

19
Published 2018
International Labour Organization