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1962-01-01 0.6493506493506500
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1964-12-01 1.2345679012345500
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1965-02-01 0.6134969325153210
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1966-03-01 1.7142857142857200
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1966-06-01 0.5617977528089740
1966-07-01 0.0000000000000000
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1967-11-01 0.5586592178770960
1967-12-01 0.5555555555555720
1968-01-01 1.6574585635359000
1968-02-01 -0.5434782608695510
1968-03-01 -1.0928961748633900
1968-04-01 1.1049723756906100
1968-05-01 -1.0928961748633900
1968-06-01 0.5524861878452890
1968-07-01 1.6483516483516500
1968-08-01 1.6216216216216200
1968-09-01 -0.5319148936170220
1968-10-01 -1.0695187165775400
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1969-12-01 0.5154639175257880
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1970-04-01 1.5306122448979500
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1970-06-01 1.0256410256410300
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1970-08-01 0.5050505050504910
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1970-10-01 -1.0309278350515300
1970-11-01 -1.5625000000000000
1970-12-01 -1.0582010582010600
1971-01-01 0.5347593582887710
1971-02-01 0.5319148936170220
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1971-04-01 1.5789473684210500
1971-05-01 0.5181347150258930
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1977-04-01 1.5015015015015000
1977-05-01 1.4792899408284000
1977-06-01 1.4577259475218700
1977-07-01 2.0114942528735600
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1977-10-01 1.6713091922005600
1977-11-01 0.8219178082191790
1977-12-01 1.9021739130434800
1978-01-01 0.8000000000000010
1978-02-01 0.7936507936507940
1978-03-01 1.5748031496063000
1978-04-01 2.0671834625323000
1978-05-01 3.7974683544303800
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1978-10-01 1.1990407673860900
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1979-02-01 2.5229357798165300
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1981-02-01 1.7953321364452400
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1982-04-01 0.8305647840531570
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