✔ 最佳答案
First, I don't know how old are you. So I cannot determine whether it is normal
for you.
If you are born in HIK, you should have a 健康小冊子(I don't remember
the whole name at all, and the cover of that book is pink(Pink for girl, blue for boy))
Inside the book, there is a graph(Height against Age)
You can look at that graph for reference