• Swiss Re average gross margin for 2015 was 24.82%, a 6.48% decline from 2014.
• Swiss Re average gross margin for 2014 was 23.31%, a 6.29% increase from 2013.
• Swiss Re average gross margin for 2013 was 21.93%, a 14.67% increase from 2012.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.