15300000 1952 8846 26600 1 19520730 1500 14 15300000 1953 11090 29600 1 19530701 1800 15 15300000 1954 8140 23200 1 19540826 1300 28 15300000 1955 9439 27100 2 1700 15 15300000 1956 8050 25400 3 1000 60 15300000 1957 8336 25100 1 19570915 1400 31 15300000 1958 10450 25100 2 2200 20 15300000 1959 8165 36000 1 19590830 1400 61 15300000 1960 8638 22800 1 19600809 1200 30 15300000 1961 10370 29100 1 19610922 1300 30 15300000 1962 9969 24800 1 19620712 2200 31 15300000 1963 9725 32500 1 19630828 1800 30 15300000 1964 8859 27000 2 1200 15 15300000 1965 8545 27500 1 19650928 2500 31 15300000 1966 9391 26500 2 1500 30 15300000 1967 11550 34500 2 2000 18 15300000 1983 7985 22700 1 19821001 2200 60 15300000 1984 8622 20000 3 3100 2 15300000 1985 9589 28600 1 19850711 2590 3 15300000 1986 9021 23000 2 2900 64