Source: https://bullfincher.io/sec-proxy?url=https%3A%2F%2Fwww.sec.gov%2FArchives%2Fedgar%2Fdata%2F49071%2F000004907116000117%2Fhum-20151231x10k.htm

Stock Total Return Performance
The following graph compares our total return to stockholders with the returns of the Standard & Poor’s Composite 500 Index (“S&P 500”) and the Dow Jones US Select Health Care Providers Index (“Peer Group”) for the five years ended December 31, 
2015
. The graph assumes an investment of $100 in each of our common stock, the S&P 500, and the Peer Group on December 31, 2010, and that dividends were reinvested when paid.
 
12/31/2010
 
12/31/2011
 
12/31/2012
 
12/31/2013
 
12/31/2014
 
12/31/2015
HUM
$
100
 
$
162
 
$
128
 
$
195
 
$
274
 
$
343
S&P 500
$
100
 
$
102
 
$
118
 
$
157
 
$
178
 
$
181
Peer Group
$
100
 
$
110
 
$
129
 
$
177
 
$
226
 
$
239
The stoc