PriceTrend

{
    "hisMinPrice": {
        "year": 0,
        "month": 0,
        "minPrice": 0,
        "minPriceStr": "string"
    },
    "xValues": [
        {
            "year": 0,
            "month": 0,
            "minPrice": 0,
            "price": 0,
            "minPriceStr": "string"
        }
    ],
    "yValues": [
        0
    ]
}