Greece's total tax revenues in 2017 reached 39.4 pct of GDP, up from 38.8 pct of GDP in 2016, according to the Revenue Statistics 2018 report issued by the Organisation for Economic Cooperation and Development (OECD) on Wednesday. Tax revenues for all 19 OECD countries rose to a historic high of 34.2 pct of GDP in 2017, up from 34 pct the previous year. They were highest in France (46.2 pct) and lowest in Mexico (16.2 pct). The biggest spikes in total tax revenue was experienced by Israel (up 1.3 percentage points) and the United States (1.3 pct), while 15 OECD countries had reduced tax revenue.