The bar charts illustrate the difference between actual and expected punctual rate of buses, and give information about how much complaints were made to the bus company from 1999 to 2003
Overall, it is evident that while the aimed rate of timeliness decreased, the percentage of bus running on time in reality witnessed a fluctuation. Meanwhile, the number of complaints per one thousand journeys saw an increase over the given period.
Looking at the first graph, starting at 85% in 1999, the proportion of bus actually arriving on time significantly fall by 3% after one year, before recovering back to 84.5% in 2001. From that, it fluctuated minimally by a mere 1%, accounted for nearly 85% of the buses of the company in 2003. By contrast, the percentage of intended punctual buses declined gradually over the 5-year period, from 86% in 1999 and 2000 to 85% in 2001 and 2002, reaching a low of approximately 84.5% in the final year.
Turning to the number of complaints this bus company received, its data saw a remarkable grow of 30 per 1000 journeys in 2000, after which it decreased to around 85 complaints every 1000 trips made in 2001. From this point, the figure for this went up steadily and peaked at 120 unsatisfied reports in 2003.