to add default year as 1956 where the most smells reported
to add default year as 1956 where the most smells reported

Smelly-London/Smelly-London,Smelly-London/Smelly-London,Smelly-London/datavisualisation,Smelly-London/Smelly-London,Smelly-London/datavisualisation,Smelly-London/Smelly-London