[["YRESTBUS","YRESTBUS_TTL","us"],
["A1","All firms","1"],
["FL","Before 1980","1"],
["FM","1980 to 1989","1"],
["FN","1990 to 1999","1"],
["FO01","2000 to 2007","1"],
["FO02","2008 to 2012","1"],
["FP02","2013","1"],
["FQ02","2014","1"],
["FU","Don't know","1"],
["FV","Total reporting","1"],
["FW","Item not reported","1"]]