Study the following line graph and answer the question based on it.
In which of the following years, the difference between the productions of Companies X and Y was the minimum among the given years?
1
1997
2
2000
3
2002
4
1999
Study the following line graph and answer the question based on it.
In which of the following years, the difference between the productions of Companies X and Y was the minimum among the given years?