For the "round to even" method of rounding, when rounding to an integer, which of the following will round to $2?$

$1\mathrm{.}3$

$1\mathrm{.}5$

$1\mathrm{.}8$

$2\mathrm{.}3$

$2\mathrm{.}5$

$3\mathrm{.}8$

none of these