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 $1$ employees?

Round your answer to $2$ decimals.

Employee Ethnic Group Grade Pay Scale

Maria Asian American $3$ A

Peter White American $2$ B

George Hispanic American $1$ C

Smith Black American $1$ D

Johnson Alaska Native $2$ E

Thompson Asian American $2$ B

Martinez Alaska Native $3$ A

Lewis White American $2$ B

Lee Black American $3$ A

Taylor Asian American $1$ B

Carter Asian American $2$ C

Edwards Hispanic American $3$ E

Bailey White American $2$ B

Cooper White American $2$ A

Bill Alaska Native $3$ E

Cox Asian American $1$ A

Perry Hispanic American $2$ C

Flores Alaska Native $3$ B

Woods White American $3$ E

Cole Asian American $1$ A

Jack Asian American $2$ A