What is the most recurring $($often repeated$)$ value for Carat?

$1.0\mathrm{.}90$

$2.0\mathrm{.}54$

$3.0\mathrm{.}80$

$4.3\mathrm{.}04$

$5.0\mathrm{.}49$

$6.1\mathrm{.}00$