Continue with Problem 8.14. Is there multicollinearity in the previous

Continue with Problem 8.14. Is there multicollinearity in the previous problem? How do you know?
Problem 8.14
You are given the annual data in Table 8-5 for the United States for the period 1971 to 1986. Consider the following aggregate demand function for passenger cars:
InYi = B1 + B2InX2t + B3InX3t + B4InX4t + B5InX5t + B6InX6t + ut
where In = the natural log
DEMAND FOR NEW PASSENGER CARS IN
THE UNITED STATES, 1971 TO 1986
Continue with Problem 8.14. Is there multicollinearity in the previous