Just a bit of fun but after putting the data into excel ans assuming liner growth of BTC we arrive at the below formula which implies that we will reach $100k / BTC in May of 2020.. right in time for the next halvening.
y = 1.5492e0.0031x
R² = 0.8083
Sounds crazy but it always does with bitcoin doesnt it.
should have said its exponential not linear :D