In a survey conducted by the National Association of Home Builders in 2002, homebuyers were asked to rank their preferences in buying a house. When asked about the importance of 18 community amenities, the highest ranking features were (with percent ranking as important or very important): highway access, 44 percent; jogging/bike trails, 36 percent; sidewalks, 28 percent; parks, 26 percent; playgrounds, 21 percent, and shops within walking area, 19 percent.