Please answer the given financial question based on the context.
Context: shareowner return performance graph the following performance graph and related information shall not be deemed 201csoliciting material 201d or to be 201cfiled 201d with the securities and exchange commission , nor shall such information be incorporated by reference into any future filing under the securities act of 1933 or securities exchange act of 1934 , each as amended , except to the extent that the company specifically incorporates it by reference into such filing . the following graph shows a five-year comparison of cumulative total shareowners 2019 returns for our class b common stock , the s&p 500 index , and the dow jones transportation average . the comparison of the total cumulative return on investment , which is the change in the quarterly stock price plus reinvested dividends for each of the quarterly periods , assumes that $ 100 was invested on december 31 , 2001 in the s&p 500 index , the dow jones transportation average , and the class b common stock of united parcel service , inc . comparison of five year cumulative total return $ 40.00 $ 60.00 $ 80.00 $ 100.00 $ 120.00 $ 140.00 $ 160.00 $ 180.00 $ 200.00 2001 2002 2003 2004 2005 2006 s&p 500 ups dj transport .
||12/31/01|12/31/02|12/31/03|12/31/04|12/31/05|12/31/06|
|united parcel service inc .|$ 100.00|$ 117.19|$ 140.49|$ 163.54|$ 146.35|$ 148.92|
|s&p 500 index|$ 100.00|$ 77.90|$ 100.24|$ 111.15|$ 116.61|$ 135.02|
|dow jones transportation average|$ 100.00|$ 88.52|$ 116.70|$ 149.06|$ 166.42|$ 182.76|
securities authorized for issuance under equity compensation plans the following table provides information as of december 31 , 2006 regarding compensation plans under which our class a common stock is authorized for issuance . these plans do not authorize the issuance of our class b common stock. .
Question: for the five years ended 12/31/2006 what is the performance difference of the class b common stock of united parcel service , inc . and the s&p 500 index?


Answer: The answer is:13.9