$sql = "INSERT INTO theTable (response, respondent) VALUES (?,?)";
	$sth = $dbh->prepare($sql) or die("Could not prepare!" . $dbh->errstr);
	$i = 1;
	for $respondent (1 .. 20000) {
		for $r (0 .. 600) {
			$response = $i + ($r * 5);
			$sth->execute($response, $respondent) or die("Could not execute!" . $dbh->errstr);
		}
		if ($respondent % 2) {
			$response = 9999;
			$sth->execute($response, $respondent) or die("Could not execute!" . $dbh->errstr);
		}
		else {
			$response = 6666;
			$sth->execute($response, $respondent) or die("Could not execute!" . $dbh->errstr);
		}
		if ($i < 5) {$i++;}
		else {$i = 1;}
	}