Band 7+: The chart shows the proportion of seats an airline was able to fill at three time points. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. You should spend about 20 minutes on this task.

The bar chart illustrates the percentage of seats filled by passengers in four fare classes on Wright Brothers Airways in the years 2005, 2010, and 2015.

Overall, Premium Economy consistently had the highest passenger load factor across all three years, whereas Business class experienced the lowest occupancy rate. Additionally, while Economy and First class showed a gradual increase over time, Business class remained relatively stagnant with minor fluctuations.

In 2005, around 80% of Premium Economy seats were filled, followed by approximately 70% in Economy, 65% in First, and just under 60% in Business. By 2010, Premium Economy peaked at roughly 95%, remaining the best-performing class. In contrast, Business class slightly decreased, while Economy and First rose modestly by 5-10%.

In 2015, Premium Economy slightly declined to 90%, but it was still the highest among all classes. Economy class increased to about 85%, showing significant growth from 2005. First class also improved slightly to nearly 80%, while Business class remained the least filled, staying under 60%.