fixed missing variable reference
fixed missing variable reference

qqming113/datawrapper,kendrick-k/datawrapper,datafunk/datawrapper,grepman/datawrapper,kendrick-k/datawrapper,rubensfernando/datawrapper,datafunk/datawrapper,rubensfernando/datawrapper,devinit/datawrapper,kendrick-k/datawrapper,grepman/datawrapper,qqming113/datawrapper,devinit/datawrapper,rubensfernando/datawrapper,qqming113/datawrapper,grepman/datawrapper,plusgut/datawrapper,devinit/datawrapper,plusgut/datawrapper,qqming113/datawrapper,datafunk/datawrapper,grepman/datawrapper,rubensfernando/datawrapper,ThuyNTran/datawrapper,kendrick-k/datawrapper,rubensfernando/datawrapper,qqming113/datawrapper,ThuyNTran/datawrapper,grepman/datawrapper,devinit/datawrapper,devinit/datawrapper,kendrick-k/datawrapper,devinit/datawrapper,ThuyNTran/datawrapper,grepman/datawrapper,ThuyNTran/datawrapper,datafunk/datawrapper,datafunk/datawrapper,kendrick-k/datawrapper,datafunk/datawrapper,ThuyNTran/datawrapper,ThuyNTran/datawrapper,plusgut/datawrapper,qqming113/datawrapper,plusgut/datawrapper