1. nv is not available. ne = not exist, nv= not available Bolded values are above the median in the column;Source: OECD.Stat database on Social Expenditure--Aggregated Data. Downloaded March,2022
2. Workplace Accidents and Workers' Solidarity: Mutual Health Insurance in Early Twentieth-Century Sweden;Lars Andersson;Economic History Review,2021
3. Accelerating Poverty Reduction in Africa