Dogecoin Will be $78125 worth coin by 2022, and after that time, the currency can become a joke because of inflation, as the mining has already dead and it will become profitable again when the coin rise
Dogecoin Price Prediction chart
(according to current analytics, the marketcap of dogecoin has increased 25 times comparing to last year December 20, 2016, the inflation was increased around 5 billion this year, if this continues then here is the price prediction of dogecoin)
2018 - 0.19 Cent
2019- around 5 dollar
2020- around 125 dollar
2021- around 3125 dollar
2022- around 78125 dollar
Please consider to donate me some bitcoins, maybe by your donations, I can be able to make my 1st bitcoin
I have better idea - buy 100 dogecoins, wait 4 years and you will become millionaire.

Currency is joke, it has always been a joke.
Price in 2022 will be the same as it is now, with little P&D work.