How many years will it take $$9$ million to grow to $$13\mathrm{.}5$ million with an annual interest rate of $6\mathrm{.}25\%?$

$4\mathrm{.}60$ years

$2\mathrm{.}47$ years

$6\mathrm{.}69$ years

$3\mathrm{.}69$ years

$5\mathrm{.}14$ years