Apple stock has had returns of $10\%,8\%,12\%,-6\%,8\%,$ and $-2\%$ over the last six years. What is the geometric average return for this stock? $($Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$ Do not input a percent sign with your answer.$)$

Numeric Response