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    "date": "1990-01",
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    "date": "1990-02",
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  {
    "date": "1990-03",
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    "date": "1990-05",
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    "date": "1990-12",
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    "date": "1991-02",
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    "date": "1991-03",
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    "date": "1991-04",
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    "date": "1991-10",
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  {
    "date": "1992-03",
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    "date": "1992-05",
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    "date": "1992-08",
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    "date": "1992-09",
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    "date": "1992-10",
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    "date": "1993-03",
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    "date": "1993-07",
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    "date": "1993-09",
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    "date": "1994-07",
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    "date": "1994-10",
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    "date": "1994-12",
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  {
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