The line graph shows us drastic changes in a part of people who had language-related problems in thirty years to nowadays.
On overview this graph illustrates how thirty years ago this kind of problem was minimal in comparison with the present, having significant differences in a per of 100,000 persons.
We can observe how thirty years ago, around 20,000 individuals had problems with the language, at least it was like this until five years later when there was an increase of 10.000, as well as, the next ten years this situation just continuously expanded to 70.000, the line does not stop, and on the contrary, it only climbs up to the highest number of 90.000.
Nowadays, they have the highest per while the slowest was thirty years ago, even though during the period there were many changes, such as 25 years ago in comparison to 15 years ago when it got an increase.
