$18 == "" && $8 > 0.0 && $9 > 0.0 && $7 > 0.0 {printf("%-30s %5d %#10.1f %#8.1f %#8.1f\n",$1,$2,$2*$8*$9,$7/$3,$2*$8*$9/($7/8.0))}

$18 != "" && $8 > 0.0 && $9 > 0.0 && $7 > 0.0 {printf("%-30s %5d %#10.1f %#8.1f %#8.1f <a href=\"../stream_mail/%s\">data</a>\n",$1,$2,$2*$8*$9,$7/$3,$2*$8*$9/($7/8.0),$18)}