Refer to the following distribution of commissions:

$\backslash$table$[[$Monthly commissions,Class Frequencies$],[$$$600$ to under $$800,3],[800$ to under $1,000,7],[1,000$ to under $1,200,11],[1,200$ to under $1,400,22],[1,400$ to under $1,600,40],[1,600$ to under $1,800,24],[1,800$ to under $2,000,9],[2,000$ to under $2,200,4]]$

What is the relative frequency of those salespersons that earn more than $$1,599?$