year,colleges,polytechnical,highsecondaryschools,highprimaryschools,primaryschools,iti,total
2012,259,3,2940,2997,2615,12,8826
2013,281,3,3006,2885,2809,13,8997
2014,264,3,3128,3013,2954,13,9375
2015,265,3,3098,3021,2177,13,8577
2016,275,3,3220,3097,2239,13,8847