If you used only a keyboard to enter data, how many years would it take to fill up a hard drive in a computer that can store $1\mathrm{.}2$ terabytes $(1\mathrm{.}2{10}^{12}$ bytes$)$ of data? Assume $40-$

hour work weeks, and that you can type $150$ characters per minute, and that one byte is one keyboard character.

year$($s$)$