foreigners visit to three kinds of areas in European country from 1987 to 2007

The line graph shows the amount of foreigners visit to three kinds of areas in European country from 1987 to 2007.
Overall, two areas include the coast, and the mountains tend to develop during twenties years period. On the other hand, the number of visitors to the lakes increase from 1987 to 2002 and plummet decrease five years next.
We can clearly see that the number of visitors to the mountains achieve twenty thousand in 1987, then the proportion of visitors slowly rose to thirty-five thousand. Meanwhile, the lakes had the number of tourists lowest in 3 groups in 1987. However, it rapidly decreased and peaked at seventy-five thousand in 2002, followed by five years later the number of tourists who visited the mountains suddenly decreased and reached fifty thousand in 2007. Conversely, the foreigner who come to stay on the coast slightly reduced from 1987 to 1992, then it gradually rose to seventy-five thousand in 2007. Besides, the proportion of tourists to the coast in European was highest in three groups in 2007.
In summary, in 2007, the proportion of overseas tourists to European gradually rose than in 1987.