I want to know that too

As I think, it starts from 11. But u should be aware of information released by government frequently

ከ11 ጀምሮ ነው ፤ ግን በመሠረቱ ትምህርቶቹ ተያያዥነት ስላላቸው የዘጠኝንም ያጠቃልላል

ke 11 gemero