fields:[
                  {
                      key:'cars',
                      displayName:'cars',
                  },
                  {
                      key:'motorcycles',
                      displayName:'motorcycles',
                  }
              ],
              text:[
                  {
                      "year": "1994",
                      "cars": 1587,
                      "motorcycles": 650,
                      "bicycles": 121
                  }, {
                      "year": "1995",
                      "cars": 1567,
                      "motorcycles": 683,
                      "bicycles": 146
                  }, {
                      "year": "1996",
                      "cars": 1617,
                      "motorcycles": 691,
                      "bicycles": 138
                  }, {
                      "year": "1997",
                      "cars": 1630,
                      "motorcycles": 642,
                      "bicycles": 127
                  }, {
                      "year": "1998",
                      "cars": 1660,
                      "motorcycles": 699,
                      "bicycles": 105
                  }, {
                      "year": "1999",
                      "cars": 1683,
                      "motorcycles": 721,
                      "bicycles": 109
                  }, {
                      "year": "2000",
                      "cars": 1691,
                      "motorcycles": 737,
                      "bicycles": 112
                  }, {
                      "year": "2001",
                      "cars": 1298,
                      "motorcycles": 680,
                      "bicycles": 101
                  }, {
                      "year": "2002",
                      "cars": 1275,
                      "motorcycles": 664,
                      "bicycles": 97
                  }, {
                      "year": "2003",
                      "cars": 1246,
                      "motorcycles": 648,
                      "bicycles": 93
                  }, {
                      "year": "2004",
                      "cars": 1318,
                      "motorcycles": 697,
                      "bicycles": 111
                  }, {
                      "year": "2005",
                      "cars": 1213,
                      "motorcycles": 633,
                      "bicycles": 87
                  }, {
                      "year": "2006",
                      "cars": 1199,
                      "motorcycles": 621,
                      "bicycles": 79
                  }, {
                      "year": "2007",
                      "cars": 1110,
                      "motorcycles": 210,
                      "bicycles": 81
                  }, {
                      "year": "2008",
                      "cars": 1165,
                      "motorcycles": 232,
                      "bicycles": 75
                  }, {
                      "year": "2009",
                      "cars": 1145,
                      "motorcycles": 219,
                      "bicycles": 88
                  }, {
                      "year": "2010",
                      "cars": 1163,
                      "motorcycles": 201,
                      "bicycles": 82
                  }, {
                      "year": "2011",
                      "cars": 1180,
                      "motorcycles": 285,
                      "bicycles": 87
                  }, {
                      "year": "2012",
                      "cars": 1159,
                      "motorcycles": 277,
                      "bicycles": 71
                  }
              ]
          }