Answer:
The answer is: Making points and lines. Look at the explanation, which will help you.
Step-by-step explanation:
As you can see in the table below, you have the years in the horizontal line, and in the vertical line the amounts, the first thing you have to do is give each country above a color, and start marking points down between the year, and the amount corresponding to that year, until reaching the last one, and then joining all the points with a line, each according to the color that you have assigned to each country.
The answer is: Making points and lines. Look at the explanation, which will help you.