Year	% of total teachers
2000	82.5425872802734
2001	82.6491317749023
2002	67.6920471191406
2003	70.4887008666992
2004	69.6829986572266
2005	69.9535369873047
2006	70.3338317871094
2007	70.6101531982422
2019	77.2990493774414
2020	77.6598510742188
2021	78.3400268554688
2022	79.1873016357422