The graphs below show the number of public transit passengers from 1989 to 2009 and bus and tram passenger numbers between 2000 and 2008 in Melbourne. Summarise the information by selecting and reporting the main features, and make comparisons where relevant

The first line graph gives information on the number of passengers using public transportations in a span of two decades commencing from 1989 to 2009, while the second one illustrates the figure for bus and tram commuters during the period of 8 years since 2000 in Melbourne. From a cursory glance, it is evident that in the first line graph, the number of public transit commuters was on an upward trajectory. As illuminated in the second graph, there was an incessant increase in the bus passenger numbers, while tram passenger numbers witnessed a fluctuation. A closer insight into the first graph reveals that in the first 5 years, the statistics of commuters using public transportations hovered around 280 million, while in the next decade, the figure experienced a steady increase to about 350 million and in the last quarter of the surveyed period, the number of public transit passengers significantly rose to 500 million. Going into detail on the second graph, the number of bus and tram commuters remained stable in the initial quarter of the studied period at about 110 million and 140 million respectively. During the rest 6 years, bus passenger number observed a robust expansion and reached a staggering peak at about 220 million, whereas the statistics of tram commuters shared a fluctuation from 2002 to 2006 and then saw an enormous increase to 200 million in 2008.