Find any six financial ration with show the figure in formula of the below company from 2011-2015?

Year Ended December 31 2013 2015 2014 2012 2011 $17.699 16,421 1,278 $17,088 16,465 623 $15,658 14.965 693 69 (62) 685 370 323 1,209 455 $754 264 $421 145 $178 Financial Data (in millions, except per share amounts): Operating revenues $19,820 $18,605 Operating expenses 15,704 16,380 Operating Income 4.116 2.225 Other expenses (Income) net 637 409 Income before taxes 3,479 1,816 Provision for Income taxes 680 Net Income 1,298 $1,136 Net Income per share, basic $3.30 $1.65 Net Income per share, diluted $3.27 $1.64 Cash dividends per common share $0.2850 $0.2200 Total assets at perlod-end $21,312 $19,723 Long-term obligations at perlod-end 2,541 2,434 Stockholders' equity at perlod-end 7,358 6,775 $1.06 $0.56 $0.23 $1.05 $0.56 $0.23 $0.1300 $ .0345 $0.0180 $19,345 $18,596 $18,068 2,191 2,883 3,107 7,336 6,992 6,877