4   1st Qu.:-0.07916  
#&gt;  Median : 0.01522   Median : 0.03256   Median : 0.4984   Median : 0.11127  
#&gt;  Mean   : 0.04910   Mean   : 0.24052   Mean   : 0.5159   Mean   : 0.20727  
#&gt;  3rd Qu.: 0.10404   3rd Qu.: 0.34912   3rd Qu.: 0.9811   3rd Qu.: 0.53894  
#&gt;  Max.   : 1.82903   Max.   : 2.25638   Max.   : 2.2774   Max.   : 1.90880  
#&gt;       US60               US90              US210             US390        
#&gt;  Min.   :-1.38002   Min.   :-2.94444   Min.   :-1.0172   Min.   :-1.3636  