1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> 2<html lang="en"> 3<head> 4<title>aert1.0/5.6.1</title> 5</head> 6<body> 7 8<table summary="These table headers require abbreviations"> 9 <caption>These table headers require abbreviations</caption> 10 11 <tr><th>Age Of All Recent Residents Of The GTA</th><th>Income Level Specified In English Pounds</th></tr> 12 <tr><td>19</td><td>7000</td></tr> 13 <tr><td>29</td><td>19000</td></tr> 14 15</table> 16 17</body> 18</html> 19