Please answer the given financial question based on the context.
Context: performance graph the following graph is a comparison of the five-year cumulative return of our common shares , the standard & poor 2019s 500 index ( the 201cs&p 500 index 201d ) and the national association of real estate investment trusts 2019 ( 201cnareit 201d ) all equity index ( excluding health care real estate investment trusts ) , a peer group index . the graph assumes that $ 100 was invested on december 31 , 2005 in our common shares , the s&p 500 index and the nareit all equity index and that all dividends were reinvested without the payment of any commissions . there can be no assurance that the performance of our shares will continue in line with the same or similar trends depicted in the graph below. .
||2005|2006|2007|2008|2009|2010|
|vornado realty trust|100|151|113|81|100|124|
|s&p 500 index|100|116|122|77|97|112|
|the nareit all equity index|100|135|114|71|91|116|
.
Question: what was the percentage growth of the vornado realty trust from 2005 to 2006


Answer: The answer is:51.0