Empht: high-tech employment	Employment in technology and knowledge-intensive sectors (thousands of employees), 1999–2011.
Univ: Percentage of university students	Ratio of the sum of level 5 and 6 students (tertiary education) over total population from 1999 to 2011. Data is missing for Germany, Greece, Spain and United Kingdom. These countries do not report all data on education to EUROSTAT.
Umy: Youth male unemployment rate.	Unemployment rate for young males (15–24 years old) from 1999 to 2011 on average for the regions of the EU. For some regions, some data is missing for some years, mainly for the latter period.
Ufy: Youth female unemployment rate	Unemployment rate for young females (15–24 years old) from 1999 to 2011.