 Of the rest of the land, or 7.5% is settled (buildings or roads), or 1.1% is either rivers or lakes and or 0.1% is unproductive land.Of the built up area, housing and buildings made up 4.6% and transportation infrastructure made up 2.2%.Out of the forested land, 17.2% of the total land area is heavily forested and 1.8% is covered with orchards or small clusters of trees.