[
  { "产品线": "办公", "一月": 28, "二月": 32, "三月": 35 },
  { "产品线": "家居", "一月": 18, "二月": 24, "三月": 29 },
  { "产品线": "户外", "一月": 22, "二月": 20, "三月": 31 }
]