Exports from three companies (X, Y and Z) over the years (in Rs. crores) are given the following line graph. Study the graph and answer the question that follows.
For which of the following pairs of years was the total exports from the three companies combined equal?
1
1995 and 1998
2
1996 and 1998
3
1997 and 1998
4
1995 and 1996