 Of the rest of the land, or 13.1% is settled (buildings or roads), or 2.5% is either rivers or lakes and or 0.7% is unproductive land.Of the built up area, housing and buildings made up 8.8% and transportation infrastructure made up 3.7%.Out of the forested land, 11.1% of the total land area is heavily forested and 2.1% is covered with orchards or small clusters of trees.