Data for motor vehicle production in a country for the years 1997 to 2004 are given in the table. Year 1997 1998 1999 2000 2001 2002 2003 2004 Thousands 1,537 1,628 1,800 2,037 2,391 3,251 4,444 5,071 . . . (A) Find the least squares line for the data, using x = 0 for 1990. y= (Use integers or decimals for any numbers in the expression. Do not round until the final answer. Then round to the nearest tenth as needed.) (B) Use the least squares line to estimate the annual production of motor vehicles in the country in 2011. The annual production in 2011 is approximately vehicles