$4$

Multiple Choice $1\mathrm{.}33$ points

In $2018,$ the proportion of mutual funds $($based on total assets$)$ specializing in bonds was

$63\mathrm{.}5\%.$

$21\mathrm{.}7\%.$

$54\mathrm{.}1\%.$

$28\mathrm{.}0\%.$

$73\mathrm{.}4\%.$