The given graph illustrates the proportion of tourists to three types of zones in a European country in the period of 1987 and 2007.
It is noticeable from the graph that the lakes started as the lowest number and in the next years reached its peak. While the mountains did not see a sharp fluction and stayed constantly.
Looking at the information in more details, in the first year, the lakes had a number as 10,000, then in the next years kept increasing and reached its peak in 2002, at about 75,000. But it started declining to 50,000 in the years of 2007. The next ares is the coast, starting its number with 40,000 and in the period saw a volatility but a slight rise to 80,000. Finally, the mountains stood at 20,000 in 1987. It had a period of instability growing and falling, between 20,000 and 40,000.
