Please answer the given financial question based on the context.
Context: the graph below shows a five-year comparison of the cumulative shareholder return on the company's common stock with the cumulative total return of the s&p small cap 600 index and the russell 1000 index , both of which are published indices . comparison of five-year cumulative total return from december 31 , 2005 to december 31 , 2010 assumes $ 100 invested with reinvestment of dividends period indexed returns .
|company/index|baseperiod 12/31/05|baseperiod 12/31/06|baseperiod 12/31/07|baseperiod 12/31/08|baseperiod 12/31/09|12/31/10|
|a o smith corp|100.0|108.7|103.3|88.8|133.6|178.8|
|s&p small cap 600 index|100.0|115.1|114.8|78.1|98.0|123.8|
|russell 1000 index|100.0|115.5|122.1|76.2|97.9|113.6|
2005 2006 2007 2008 2009 2010 smith ( a o ) corp s&p smallcap 600 index russell 1000 index .
Question: what was the difference in the cumulative total return for a o smith corp and the s&p small cap 600 index for the five year period ended 12/31/10?


Answer: The answer is:0.55