What is the learning curve rate of the following:

$13\mathrm{.}467204754$

$22\mathrm{.}600403565$

$32\mathrm{.}197638612$

$41\mathrm{.}950302674$

$51\mathrm{.}777791096$

$61\mathrm{.}648228959$

$71\mathrm{.}546080534$

$81\mathrm{.}462727005$

$91\mathrm{.}3929421$

$101\mathrm{.}333343322$