Year	% of female lower secondary school age
1975	69.0596313476562
1976	70.167106628418
1977	65.7040634155273
1978	62.038818359375
1979	55.7674713134766
1980	51.9688301086426
1981	48.2929306030273
1985	47.4429893493652
1987	49.6768608093262
1988	51.2821617126465
1989	51.462230682373
1993	52.5125999450684
1999	62.0834999084473
2000	60.1818313598633
2003	52.5910606384277
2004	51.1251411437988
2007	43.2595291137695