Please answer the given financial question based on the context.
Context: the graph below compares expeditors international of washington , inc.'s cumulative 5-year total shareholder return on common stock with the cumulative total returns of the s&p 500 index and the nasdaq industrial transportation index ( nqusb2770t ) . the graph assumes that the value of the investment in our common stock and in each of the indexes ( including reinvestment of dividends ) was $ 100 on 12/31/2013 and tracks it through 12/31/2018 . total return assumes reinvestment of dividends in each of the indices indicated . comparison of 5-year cumulative total return among expeditors international of washington , inc. , the s&p 500 index and the nasdaq industrial transportation index. .
||12/13|12/14|12/15|12/16|12/17|12/18|
|expeditors international of washington inc .|$ 100.00|$ 100.81|$ 101.92|$ 119.68|$ 146.19|$ 153.88|
|standard and poor's 500 index|100.00|111.39|110.58|121.13|144.65|135.63|
|nasdaq industrial transportation ( nqusb2770t )|100.00|121.41|93.55|120.89|154.19|140.25|
the stock price performance included in this graph is not necessarily indicative of future stock price performance. .
Question: what is the difference in percentage of cumulative total return between expeditors international of washington inc . and the standard and poor's 500 index for the 5 year period ending 12/18?


Answer: The answer is:53.88