State auto employment location quotients, 2001 and 2005 Location quotients 2001 2005 Automobile manufacturing Michigan 9.3 7.9 Kentucky 5.5 5.3 Motor vehicle body and trailer manufacturing Indiana 8.0 9.9 Iowa 4.9 4.8 Motor vehicle and parts manufacturing Michigan 7.6 7.0 Indiana 4.9 5.0 These location quotients are the ratio of two elements. The first element is the ratio of an industry’s statewide employment to the State’s total private employment. The second element is the ratio of an industry’s nationwide employment to the Nation’s total private employment. The location quotient, a measure of relative industry concentration, is the ratio of these two elements.