human
stock total return performance the following graph compares our total return to stockholders with the returns of the standard & poor 2019s composite 500 index (201cs&p 500 201d) and the dow jones us select health care providers index (201cpeer group 201d) for the five years ended december 31, 2017. the graph assumes an investment of $100 in each of our common stock, the s&p 500, and the peer group on december 31, 2012, and that dividends were reinvested when paid. .
|  | 12/31/2012 | 12/31/2013 | 12/31/2014 | 12/31/2015 | 12/31/2016 | 12/31/2017 |
| --------- | --------- | --------- | --------- | --------- | --------- | --------- |
| HUM | $100 | $152 | $214 | $267 | $307 | $377 |
| S&P 500 | $100 | $132 | $150 | $153 | $171 | $208 |
| Peer Group | $100 | $137 | $175 | $186 | $188 | $238 |
the stock price performance included in this graph is not necessarily indicative of future stock price performance. .
Please compute the result.
what was the stock total return performance for hum in 2014?
assistant
214.0
human
and what was it in 2013?
assistant
152.0
human
by what amount, then, did that performance increase over the year?
assistant
62.0
human
and in that same year of 2014, what was the highest stock total return performance between all stocks?
assistant
214.0
human
n/a
assistant
114.0