1975

1976

1977

1978

1979

1980

1981

1982

1983

1984

1985

1986

1987

1988

1989

1990

Medicine

12

14

18

14

17

18

15

23

19

18

21

26

25

26

29

26

Science & math.

12

19

16

11

18

15

14

16

18

19

18

17

19

17

19

23

Technology

4

3

3

5

5

4

4

3

9

7

10

12

5

10

9

19

Social sciences

15

15

17

19

23

14

25

22

36

29

29

15

30

28

32

32

Hum. & theol.

30

24

28

40

34

39

32

40

35

40

36

49

32

37

38

38