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{"FROM":"1936-06-26","TO":"1940-06-30","RATE":0.2}
{"FROM":"1940-07-01","TO":"1941-09-30","RATE":0.3}
{"FROM":"1941-10-01","TO":"1942-10-31","RATE":0.65}
{"FROM":"1942-11-01","TO":"1944-03-31","RATE":1}
{"FROM":"1944-04-01","TO":"1951-10-31","RATE":2}
{"FROM":"1951-11-01","TO":"1990-12-30","RATE":2.25}
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