577 13681911 442 1019 1

120 107

155 60 1

4 8 1

4 209 1882

3

8

8

4

1 1987 154 18

1937 1983 1962 1978 1931 1933 1937 1979

1940 1941 1947 1948 1982 1985

1981 1984 6 20 1951 1981

5 IBM

1987 5 1 74 23 3 3 67 16 1 1 2 1 2 1 31 8 2 3 44 24 71 3 3 2 1 1 4 3 1 1 1 190 11 1 1 6 1 28 2 1 1 1 1 4 1 1 1 8 1

2 1 20 1 56 13 4 1 32 8 301 1961 1979 1983 1982 1983 1985 1985 1985 1987 1985 1985

1987 1987 1987 1983 1987 1987 1987 1986 1981 1985 1987 1987 1987 1985 1985 1985 1987 1987 1985 1987 1987

1982 1983 1983 1 290 1

2

3

1941 1 1 1978 6 1978 6 15

1941 1 4

1941 1 4