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 | | Data are presented either quinquennially for the years 1960-1985, i.e., 1960, 1965, 1970, 1975, 1980, and 1985, or for averages of five years' sub-periods over 1960-1985. |
 | | The term XX behind a variable denotes a specific year (for example, P60 is the primary school enrollment ratio in 1960), while the term X denotes average of a sub-period among the five year sub-periods: 1960-64, 1965-69, 1970-74, 1975-79,and 1980-84 for the averaged variables (e.g. |
 | | Source : BARRO and LEE SYRMxx : Average years of secondary schooling in the male population over age 25. |
| www.columbia.edu /~xs23/data/readme.txt (2227 words) |
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