621 - Applied physics 823
620 - Engineering & allied operations 182
623 - Military & nautical engineering 170
629 - Other branches of engineering 136
628 - Sanitary & municipal engineering 67
624 - Civil engineering 42
627 - Hydraulic engineering 31
622 - Mining & related operations 8
626 - [Unassigned] 5
625 - Engineering of railroads & roads 4