Based on what we observed in the module on public finance, select all true statements.

Over the $1960-2020$ period, the Canadian government $($all levels$)$ has spent less than the US government in percentage of the GDP$.$

Over the $1960-2020$ period, the proportion of total expenditure allocated to transfer payments has increased faster in the United States compared with Canada.

Among OECD members, Canada is below the median in terms of public social spending expressed as a percentage of GDP$.$

None of the above.