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| All levels | Primary education | Secondary education | Higher education
Country |----------------------------------|-----------------------------|-----------------------------|------------------------------------
|1985|1987|1988|1989|1990|1991|1992|1985|1987|1988|1989|1990|1991|1985|1987|1988|1989|1990|1991|1985|1987|1988|1989|1990 |1991 |1992
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1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27
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Australia .............|6.0 |5.6 |5.5 |--- |--- |4.6 |4.5 |1.8 |1.6 |1.6 |--- |--- |1.5 |2.1 |1.9 |1.9 |--- |--- |1.5 |1.8 |1.8 |1.8 |--- | --- | 1.5 |1.8
Austria ...............|5.7 |5.7 |5.5 |5.3 |5.2 |5.4 |--- |1.0 |1.0 |1.0 |0.9 |0.9 |1.0 |2.8 |2.8 |2.7 |2.6 |2.5 |2.6 |1.0 |1.1 |1.1 |1.1 | 1.1 | 1.1 |---
Belgium ...............|6.4 |5.9 |5.6 |5.7 |5.2 |--- |--- |1.1 |1.0 |1.0 |0.9 |0.9 |--- |3.0 |2.6 |2.5 |2.5 |2.3 |--- |1.0 |1.0 |0.9 |0.9 | 0.9 | --- |---
Denmark ...............|6.2 |6.2 |6.4 |6.4 |6.2 |6.1 |6.2 |1.7 |1.7 |1.7 |1.7 |1.7 |1.7 |2.8 |2.9 |2.9 |2.9 |2.7 |2.7 |1.2 |1.2 |1.3 |1.3 | 1.3 | 1.3 |1.3
Germany (former West) .|4.6 |4.4 |4.3 |--- |--- |4.1 |3.7 |0.6 |0.6 |0.6 |--- |--- |0.5 |2.2 |2.1 |2.0 |--- |--- |1.9 |1.0 |1.0 |1.0 |--- | --- | 0.9 |1.0
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Ireland ...............|5.9 |6.2 |5.6 |5.3 |5.2 |5.4 |5.7 |1.7 |1.8 |1.6 |1.6 |1.5 |1.6 |2.4 |2.5 |2.3 |2.2 |2.1 |2.2 |0.9 |1.1 |1.0 |1.0 | 1.0 | 1.1 |1.4
Italy .................|4.7 |4.8 |4.9 |5.0 |5.2 |--- |--- |1.2 |1.1 |1.1 |1.2 |1.1 |--- |2.0 |2.2 |2.2 |2.3 |2.2 |--- |0.6 |0.7 |0.8 |0.7 | 1.0 | --- |---
Japan ................|--- |--- |--- |--- |--- |--- |3.6 |--- |--- |--- |--- |--- |--- |--- |--- |--- |--- |--- |--- |--- |--- |--- |--- | --- | --- |0.3
Luxembourg ............|--- |6.0 |6.0 |5.8 |--- |--- |--- |--- |2.1 |2.1 |2.0 |--- |--- |--- |2.5 |2.5 |2.4 |--- |--- |--- |0.2 |0.2 |0.2 | --- | --- |---
New Zealand ...........|--- |5.3 |5.2 |6.3 |--- |5.8 |--- |--- |1.5 |1.4 |1.7 |--- |1.5 |--- |1.3 |1.2 |1.5 |--- |1.3 |--- |1.5 |1.6 |1.8 | --- | 2.0 |---
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Norway ................|5.6 |6.2 |6.4 |6.5 |6.4 |6.8 |--- |1.7 |1.9 |1.9 |1.8 |1.6 |1.7 |2.7 |2.8 |2.9 |2.8 |2.7 |2.8 |0.8 |0.9 |1.0 |1.1 | 1.2 | 1.3 |---
Portugal ..............|--- |4.3 |--- |4.8 |4.8 |5.5 |5.2 |2.1 |2.1 |2.3 |2.1 |2.1 |2.2 |1.2 |1.3 |1.4 |1.6 |1.6 |2.0 |0.6 |0.7 |0.8 |0.9 | 0.9 | 0.9 |0.9
Spain .................|3.6 |3.7 |3.9 |4.2 |4.4 |4.5 |4.2 |1.2 |1.1 |1.1 |1.1 |1.0 |1.0 |1.8 |1.9 |2.1 |2.2 |2.3 |2.4 |0.4 |0.5 |0.6 |0.6 | 0.7 | 0.8 |0.9
Sweden ................|--- |6.0 |5.9 |5.5 |5.7 |6.1 |6.7 |--- |2.2 |2.2 |2.0 |2.0 |2.2 |0.0 |2.7 |2.5 |2.4 |2.5 |2.7 |--- |1.0 |1.0 |0.9 | 1.1 | 1.1 |1.0
Switzerland ...........|5.1 |5.0 |5.1 |--- |--- |5.4 |--- |2.9 |2.8 |2.8 |--- |--- |1.4 |1.3 |1.2 |1.3 |--- |--- |2.4 |1.0 |1.0 |1.0 |--- | --- | 1.2 |---
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Turkey ................|--- |--- |--- |--- |--- |4.0 |--- |--- |--- |--- |--- |--- |1.9 |--- |--- |--- |--- |--- |1.0 |--- |--- |--- |--- | --- | 1.0 |---
United Kingdom ........|--- |--- |--- |--- |--- |--- |4.1 |1.2 |1.3 |1.3 |1.3 |1.3 |1.3 |2.2 |2.3 |2.3 |2.2 |2.3 |2.2 |1.1 |1.0 |0.9 |0.9 | 0.9 | 1.0 |0.1
United States .........|--- |--- |--- |--- |--- |--- |5.7 |1.5 |1.6 |1.7 |1.8 |1.8 |1.8 |1.9 |1.9 |1.9 |1.9 |2.0 |2.0 |1.3 |1.4 |1.4 |1.2 | 1.5 | 1.5 |1.6
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