Answer the following questions based on the information given below:
The bar chart below shows the revenue received, in million U.S.Dollars (USD), from subscribes to a particular Internet service. The data covers the period 2003 to 2007 for the United States(US) and Europe. The bar chart also shows the estimated revenues from subscription to the period 2008 to 2010.
What is the absolute percentage growth in the subscription revenue of Europe from 2003 to 2009?