The table below shows the number of visitors in the UK and their average spending from 2003 to 2008. Summarize the information by selecting and reporting the main features and comparisons where relevant

The table provides information about the number of travellers to the United Kingdom, the average duration of their stay, and their spending from 2003 to 2008. Overall, most figures show a steady increase over the period, with the exception of the average number of nights stayed, which experienced a slight decline in the final years. […]