You have funds invested in a mutual fund of S&P $500$ stocks. Over the last $5$ years, the annual percent returns of the S&P $500$ are $19\mathrm{.}70\%,6\mathrm{.}42\%,29\mathrm{.}06\%,16\mathrm{.}44\%,$ and $14\mathrm{.}67\%.$

What is the average annual percent return on the S&P $500$ stocks over the last $5$ years?

Note: Round your answer to $2$ decimal places.