export const populationMovementData = [
  { source: '北京', target: '天津', value: 30 },
  { source: '北京', target: '上海', value: 80 },
  { source: '北京', target: '河北', value: 46 },
  { source: '北京', target: '辽宁', value: 49 },
  { source: '北京', target: '黑龙江', value: 69 },
  { source: '北京', target: '吉林', value: 19 },
  { source: '天津', target: '河北', value: 62 },
  { source: '天津', target: '辽宁', value: 82 },
  { source: '天津', target: '上海', value: 16 },
  { source: '上海', target: '黑龙江', value: 16 },
  { source: '河北', target: '黑龙江', value: 76 },
  { source: '河北', target: '内蒙古', value: 24 },
  { source: '内蒙古', target: '北京', value: 32 },
];
