The provided pie chart illustrates the proportion of donations for roads and transport systems in four major countries, such as Italy, Portugal, the UK, and the USA, over the 15-year period.
Looking from an overall perspective, it is clear that Portugal had the highest tendency of expenses throughout all the given time, and, additionally, the USA faced a fluctuating trend in spending on its infrastructure. Furthermore, the UK spent less money in comparison to other countries.
In detail, Portugal spent nearly 27% in 1990, and then the rate started declining steadily and reached, as a result, 20% in 2005. Regarding Italy, it started approximately at 22% in 1990, and then it climbed to 24%. However, it significantly dropped to the lowest point.
In terms of the UK, the trend was approximately the same as Italy’s, where spending started with 10% in the beginning of the period; after that, it diminished to less than 10% before a stable increase to 13% in 2000. Following this, the proportion went down to 7% at the end of the period.