Less than $30,000 $30,000-$49,999 $50,000-$74,999 $75,000+
2013 12% 9% 5% 5%
2014
2015 20% 15% 10% 6%
2016 21% 12% 10% 5%
2017
2018 31% 22% 14% 9%
2019 26% 20% 10% 6%
2021 27% 19% 6% 6%