adding Lethality column

data/Australia.json

@@ -1 +1 @@
-{"columns":["Batch","Total Number of Adverse Reaction Reports","Deaths","Disabilities","Life Threatening Illnesses","Severe reports"],"data":[["3002188",1,0,0,1,null],["EX2405",1,0,1,0,null],["FL350",1,0,1,0,null],["FF3438",1,0,1,0,null],["FE8163",2,0,2,0,null],["FF4222",1,0,1,0,null],["EP2163 SERIAL 1",1,1,0,0,null],["FF4206",2,0,1,0,null],["NO BATCH NUMBER",33,4,0,0,null],["UNKNOWN",58,1,4,2,null],["FA7338",1,0,0,0,null],["FE3712",1,0,0,0,null],["ER7449",1,0,0,0,null],["3006325",1,0,0,0,null],["FG1657",1,0,0,0,null],["FG3712",1,0,0,0,null],["FG7372",1,0,0,0,null],["FH3219",1,0,0,0,null],["EJ8516",1,0,0,0,null],["FL3560",1,0,0,0,null],["FN0565",1,0,0,0,null],["UNSURE",1,0,0,0,null]]}
+{"columns":["Batch","Total Number of Adverse Reaction Reports","Deaths","Disabilities","Life Threatening Illnesses","Severe reports","Lethality"],"data":[["3002188",1,0,0,1,null,null],["EX2405",1,0,1,0,null,null],["FL350",1,0,1,0,null,null],["FF3438",1,0,1,0,null,null],["FE8163",2,0,2,0,null,null],["FF4222",1,0,1,0,null,null],["EP2163 SERIAL 1",1,1,0,0,null,null],["FF4206",2,0,1,0,null,null],["NO BATCH NUMBER",33,4,0,0,null,null],["UNKNOWN",58,1,4,2,null,null],["FA7338",1,0,0,0,null,null],["FE3712",1,0,0,0,null,null],["ER7449",1,0,0,0,null,null],["3006325",1,0,0,0,null,null],["FG1657",1,0,0,0,null,null],["FG3712",1,0,0,0,null,null],["FG7372",1,0,0,0,null,null],["FH3219",1,0,0,0,null,null],["EJ8516",1,0,0,0,null,null],["FL3560",1,0,0,0,null,null],["FN0565",1,0,0,0,null,null],["UNSURE",1,0,0,0,null,null]]}