Use the data given below to answer the following question.

Following is an extract from the Employee Payroll Database of HFR Informatics Inc.

What is the relative frequency of Grade $2$ employees?

Round your answer to $2$ decimals.

$\backslash$table$[[$Employee$,$Ethnic Group,Grade,$\backslash$table$[[$Pay$],[$Scale$]]],[$Maria$,\backslash$table$[[$Asian$],[$American$]],3,$A$],[$Peter$,\backslash$table$[[$White$],[$American$]],2,$B$],[$George$,\backslash$table$[[$Hispanic$],[$American$]],1,$C$],[$Smith$,\backslash$table$[[$Black$],[$American$]],1,$D$],[$Johnson$,$Alaska Native,$2,$E$],[$Thompson$,\backslash$table$[[$Asian$],[$American$]],2,$B$],[$Martinez$,$Alaska Native,$3,$A$],[$Lewic$,$White,$2,$B$]]$

MacBook Pro