The provided bar graph illustrates the annual number of rides taken on buses and subways in Williamsville from 2011 to 2015. Upon initial inspection, it is evident that there were fluctuations in the annual ridership for the two forms of transportation during this period.
On one hand, the annual number of bus rides fluctuated over the years. In 2011, the annual bus ridership slightly exceeded 400,000,000. This figure increased to approximately 450,000,000 in 2012, then experienced a slight decrease in 2013, before rising to almost 500,000,000 in 2014. However, it declined again in 2015 to about 450,000,000.
Conversely, annual subway ridership experienced a steady increase over the same period. In 2011, just over 600,000,000 rides were taken on the subway. This number increased to around 650,000,000 in 2012 and continued to climb steadily until it reached approximately 750,000,000 in 2015.
In conclusion, subway ridership consistently surpassed bus ridership in every year shown on the graph. Furthermore, bus ridership exhibited fluctuations, while subway ridership demonstrated a consistent upward trend.