{
"items": [
{
"date": 2004, 
"country": "Czech Republic", 
"value": 12, 
"label": 0
}, 
{
"date": 2014, 
"country": "Czech Republic", 
"value": 35, 
"label": 1
}
], 
"properties": {"date": {"valueType": "number", "order": 0}, "country": {"valueType": "text", "order": 1}, "value": {"valueType": "number", "order": 2}}
}