The bar chart below shows the revenues received, in million US Dollars (USD), from subscribers to a particular Internet service. The data covers the period 2003 to 2008 for the United States (US) and Europe. The bar chart also shows the estimated revenues from subscription to this service for the period 2008 to 2010.
Y axis- Subscription revenue in million US dollars
In 2003, sixty percent of subscribers in Europe were men. Given that women subscribers increase at the rate of 10 percent per annum and men at the rate of 5 percent per annum. what is the approximate percentage growth of subscribers between 2003 and 2010 in Europe? The subscription prices are volatile and may change each year.