And worth noting the OECD information I provided a link to picks up the story in 2010. The large increase was in the early 2000s right after the reforms when they shot from the middle to near the top. 

Using other data (WHO regional office, World Bank), a recent WHO analysis reported that GDP ratio went from about 8% to 12.9% in 2013. No other country experienced this kind of leap except the Netherlands.