15356000 1951   61280  185000   1 19510617    7200  28         
15356000 1952   68790  275000   1 19520705   10000  75         
15356000 1953   73490  204000   1 19530528   15000  61         
15356000 1954   69210  238000   1 19540605   11000  30         
15356000 1955   72280  278000   1 19550701   13000  30         
15356000 1956   68550  230000   1 19560626    7800  31         
15356000 1957   88110  520000   1 19570530   14000  46         
15356000 1958   61020  201000   2            11000  16         
15356000 1959   75370  306000   2            13000  31         
15356000 1960   84710  250000   1 19600801   16000  15         
15356000 1961   90510  365000   1 19610614   14000  16         
15356000 1962  105900  466000   1 19620619   19000  61         
15356000 1963   96720  289000   1 19630526   20000  30         
15356000 1964  110900  545000   1 19640612   18000  30         
15356000 1965   79280  353000   1 19650603   18000  31         
15356000 1966   76740  295000   2            15000  59         
15356000 1967   92240  403000   1 19670606   12000  15         
15356000 1968   89030  293000   1 19680605   20100  15         
15356000 1969   75570  237000   1 19690615   12000  16         
15356000 1970   78930  270000   1 19700610   16000   1 19700501
15356000 1971   86520  296000   1 19710617   17000  56         
15356000 1972   89290  446000   1 19720603   16000  63         
15356000 1973   84450  271000   1 19730623   14000  51         
15356000 1974   75820  227000   1 19740608   15000 120         
15356000 1975  102700  371000   1 19750607   20000  31         
15356000 1976   88960  281000   1 19760718   20000   9         
15356000 1977   89070  304000   2            24000  25         
15356000 1978   76760  240000   2            16000  39         
15356000 1979  100800  291000   1 19790506   20000  43         
15356000 1980   81050  237000   1 19800613   20000  19         
15356000 1981   88550  257000   1 19810604   21000  25         
15356000 1982   82490  328000   1 19820617   16000  36         
15356000 1983   91320  343000   1 19830607   18000  20         
15356000 1984   77090  253000   1 19840705   14000  50         
15356000 1985   89470  387000   1 19850611   18000  51         
15356000 1986   90270  300000   1 19860626   17000  22         
15356000 1987   85150  337000   1 19870606   16000  30         
15356000 1988   99910  321000   1 19880516   19000  36