Response options: Under $10,000, $10,000 to just under $20,000, $20,000 to just under $30,000, $30,000 to just under $40,000, $40,000 to just under $50,000, $50,000 to just under $60,000, $60,000 to just under $70,000, $70,000 to just under $80,000, $80,000 to just under $100,000, $100,000 and over, Don't know/Refused