{
  "fields": [{"id":"_id","type":"int"},{"id":"freight_class_time_period","type":"text","info":{"label":"FREIGHT_CLASS,TIME_PERIOD"}},{"id":"unsafe_2000","type":"numeric","info":{"label":"2000"}},{"id":"unsafe_2001","type":"numeric","info":{"label":"2001"}},{"id":"unsafe_2002","type":"numeric","info":{"label":"2002"}},{"id":"unsafe_2003","type":"numeric","info":{"label":"2003"}},{"id":"unsafe_2004","type":"numeric","info":{"label":"2004"}},{"id":"unsafe_2005","type":"numeric","info":{"label":"2005"}},{"id":"unsafe_2006","type":"numeric","info":{"label":"2006"}},{"id":"unsafe_2015","type":"numeric","info":{"label":"2015"}}],
  "records": [
    [1,"Road",711,806,1876,1342,1448,1470,1365,2574],
    [2,"Rail",256,276,280,233,224,171,171,180],
    [3,"Inland Water Way",null,null,null,null,null,null,null,2023]
]}