The following table gives the information of different models sold by TATA over the years. (All values are in thousand)Years/ModelNanoTigorZestBoltHexaNexonIndigoSumoIndica201123421345634565398895290543201223543254221556443134765212820133345418748906713416428715220146549043123444265332212632220154113226217123221243244313222016431322561898111112198751201765167112535126626521987781Q. What is the respective ratio of the Indica model sold in 2015 and 2017 together and the Bolt model sold in 2013 and 2014 together?