{
  "monthly2012": [
    {
      "month": "2012-01",
      "amount": "37.62",
      "bills": 7
    },
    {
      "month": "2012-02",
      "amount": "37.62",
      "bills": 7
    },
    {
      "month": "2012-03",
      "amount": "37.62",
      "bills": 7
    },
    {
      "month": "2012-04",
      "amount": "37.62",
      "bills": 7
    },
    {
      "month": "2012-05",
      "amount": "37.62",
      "bills": 7
    },
    {
      "month": "2012-06",
      "amount": "37.62",
      "bills": 7
    },
    {
      "month": "2012-07",
      "amount": "39.62",
      "bills": 7
    },
    {
      "month": "2012-08",
      "amount": "47.62",
      "bills": 7
    },
    {
      "month": "2012-09",
      "amount": "46.71",
      "bills": 6
    },
    {
      "month": "2012-10",
      "amount": "42.62",
      "bills": 7
    },
    {
      "month": "2012-11",
      "amount": "37.62",
      "bills": 7
    },
    {
      "month": "2012-12",
      "amount": "37.62",
      "bills": 7
    }
  ],
  "november": {
    "billCount": 7,
    "changeRatio": -0.11731581417175035,
    "difference": -5.0,
    "invoiceDate$yearMonth": "2012-11",
    "previousAmount": 42.62,
    "totalAmount": 37.62
  },
  "comparativeRows": {
    "07-time-yoy": 12,
    "08-time-mom": 12,
    "09-mom-extra-day-key-changes-grain": 12,
    "14-mom-cross-year": 2,
    "15-yoy-two-months": 2,
    "16-yoy-no-prior-data": 12,
    "17-mom-empty-period": 0
  },
  "calculation": "Read-only original Invoice rows, date-string grouping and Decimal."
}