[
    {
        "x": 0,
        "y": 3,
        "name": "18-30"
    },
    {
        "x": 1,
        "y": 4,
        "name": "30-40"
    },
    {
        "x": 1,
        "y": 2,
        "name": "40-50"
    },
    {
        "x": 1,
        "y": 0,
        "name": "50-60"
    }
]