Code:
1= [very open], 2= [22.22% of very compact or dense], 3= [33.33% of very compact or dense], 4= [44.44% of very compact or dense], 5= [intermediate], 6= [66.67% of very compact or dense], 7= [77.78% of very compact or dense], 8= [88.89% of very compact or dense], 9= [very compact or dense]