The given bar graph illustrates the number of passengers who used public transport in a certain town from 2012 to 2015.
Overall, most of the passengers (almost 100 thousand) used trams in 2015, as against just over 75 thousand people using trains in 2012.
The use of trams gradually increased from 2012 to 2015. In 2012, just almost 20 thousand people used trams. We observe fluctuation in bus usage. In 2012, approximately 55 thousand passengers used buses. But in the next year, the number dropped to approximately 45 thousand. However, the figure again rose in 2014 (70 thousand) and again declined to 60 thousand in 2015.
Passengers used trains mostly in 2012 (80 thousand). But the number of train passengers dramatically decreased to approximately 10 thousand in 2013. But in the next years, there was a gradual increase in train usage (almost 40 thousand in 2014 and 75 thousand in 2015).