{"year":"1960","pct":6.5,"income":"0-3"}
{"year":"1960","pct":8.2,"income":"3-5"}
{"year":"1960","pct":11.3,"income":"5-7"}
{"year":"1960","pct":23.5,"income":"7-10"}
{"year":"1960","pct":15.6,"income":"10-12"}
{"year":"1960","pct":12.7,"income":"12-15"}
{"year":"1960","pct":22.2,"income":"15+"}
{"year":"1970","pct":4.3,"income":"0-3"}
{"year":"1970","pct":6,"income":"3-5"}
{"year":"1970","pct":7.7,"income":"5-7"}
{"year":"1970","pct":13.2,"income":"7-10"}
{"year":"1970","pct":10.5,"income":"10-12"}
{"year":"1970","pct":16.3,"income":"12-15"}
{"year":"1970","pct":42.1,"income":"15+"}