Given the following historical return data, what is the expected

return?

$t,R_t$

$1,21\mathrm{.}01\%$

$2,-13\mathrm{.}83\%$

$3,15\mathrm{.}67\%$

$4,0\mathrm{.}88\%$

$5,-1\mathrm{.}32\%$

Express your answer in total return decimal format $($e$.$g$.,0\mathrm{.}0915$ to

represent $9\mathrm{.}15\%).$