At 20 Years Old, And Only 1.70 Cm Tall ...

Hello, I want to ask how I can grow another 15 cm, I am 20 years old and I am only 1.70 cm tall, I have trained swimming, I have played volleyball, but I am still short, I have not grown a centimeter for 3 years. .. and my peers, that even younger than me by 4, 5 years are 1. 85 cm, 1. 90 cm, up ... it's good that I have a beard, that when I go somewhere at least not to be confused with a 12-year-old, I say 12 years old because there are 12 years old at the same height as me. Nowadays I can't understand who is how old ... Now in the comments there will be people like "You are glad that in those years with such a high age, there are people older and shorter than you ..." . I agree but, in the future we are still times are changing, thousands of years ago, people were even lower and for them obviously 1. 70cm man was a giant. But we're already where, where to go next with the material .. So .. yes, so my thought is that I think to be 20 years old and to be 1. 70 cm tall does not seem normal to me. Can you advise me with something? An easy way, even a difficult one, but for a short time. My goal is to be at least 1.80 cm or 1. 85 cm by the end of the year.