{
    "mappings" : {
        "_default_" : {
            "properties" : {
                "ID" : {"type": "integer" },
                "VALUE" : {"type": "string", "index": "not_analyzed" },
                "NUMBER" : {"type": "integer" },
                "DATE" : {
                    "type" : "date",
                    "format": "MM-YYYY"
                }
            }
        }
    }
}