Computer output from the regression of In (Cell phone subscribers) vs. Year is given below. Use it to predict the percentage of people in the world who were cell phone subscribers in 2005. Predictor Coef SE Coef T P Constant -820 . 894 8. 916 -92 . 06 0. 000 Year 0 . 411704 0. 004471 92.09 0. 060 S = 0. 0534597 R-Sq = 99.9% R- Sq(adj ) = 99.9%