Holdings
1.1930 - 12.1941; 13.1943,117 - 31.1959,426 - 50.1964,884; 51.1964,885 - 63.1969,1143; 64.1970,1144 - 65.1971,1168 - 69.1972,1292 - 71.1973,1351 - 72.1974,1370 - 78.1975,1537 - 79.1976,1549 - 81.1977,1670 - 82.1978,1693 - 83.1979,1704 - 86.1980,1743 - 90.1981,1851 - 92.1982,1885 - 100.1985,2052