横向多维分组

在基本使用说明中，横向分组只有一个月份，实际可以添加多个作为横向分组

实际的数据效果：

json数据集数据：

{
  "data": [{
		"region": "华东", "sales": 1000, "gifts": 100, "month": "1月", "year": 2021
	},{
		"region": "华东", "sales": 1000, "gifts": 100, "month": "1月", "year": 2022
	},{
		"region": "华东", "sales": 1000, "gifts": 100, "month": "2月", "year": 2022
	},{
		"region": "华东", "sales": 1000, "gifts": 100, "month": "2月", "year": 2021
	},{
		"region": "华东", "sales": 1000, "gifts": 100, "month": "1月", "year": 2022
	},{
		"region": "华东", "sales": 1000, "gifts": 100, "month": "2月", "year": 2022
	},{
		"region": "华东", "sales": 1000, "gifts": 100, "month": "1月", "year": 2021
	},{
		"region": "华东", "sales": 1000, "gifts": 100, "month": "2月", "year": 2021
	},{
		"region": "华东", "sales": 2000, "gifts": 200, "month": "2月", "year": 2021
	},{
		"region": "华东", "sales": 3000, "gifts": 300, "month": "1月", "year": 2021
	},{
		"region": "华东", "sales": 2000, "gifts": 200, "month": "2月", "year": 2022
	},{
		"region": "华东", "sales": 3000, "gifts": 300, "month": "1月", "year": 2022
	},{
		"region": "华北", "sales": 5000, "gifts": 600, "month": "1月", "year": 2022
	},{
		"region": "华北", "sales": 6000, "gifts": 600, "month": "2月", "year": 2022
	},{
		"region": "华北", "sales": 5000, "gifts": 600, "month": "1月", "year": 2021
	},{
		"region": "华北", "sales": 6000, "gifts": 600, "month": "2月", "year": 2021
	},{
		"region": "华北", "sales": 7000, "gifts": 600, "month": "2月", "year": 2021
	},{
		"region": "华北", "sales": 7000, "gifts": 600, "month": "1月", "year": 2021
	},{
		"region": "华北", "sales": 7000, "gifts": 600, "month": "2月", "year": 2022
	},{
		"region": "华北", "sales": 7000, "gifts": 600, "month": "1月", "year": 2022
	}]
}