1. Average of performance of 15-year-olds on the PISA reading, mathematics and science literacy scales;Source,2000
2. Annual expenditure on educational institutions per student in equivalent US dollars converted using PPPs, secondary education, based on full-time equivalents;Source,1999
3. Total intended instruction time in public institutions in hours per year for 12 to 14-year-olds;Source,2000
4. Ratio of students to teaching staff in public and private institutions, secondary education, calculations based on full-time equivalents;Source,2000
5. Years of life expectancy. Total population at birth;Greece: 1998. Italy: 1997. Source,1999