A weekly report for new agents at a vacation sales company is shown in the histogram. A histogram titled Vacation Packages has number of packages sold on the x-axis and number of salespersons on the y-axis. 9 sold 1 to 2 packages; 7 sold 3 to 4; 4 sold 5 to 6; 3 sold 7 to 8; 2 sold 9 to 10; 1 sold 11 to 12; 2 sold 13 to 14; 3 sold 15 to 16. How many of the new agents sold more than 10 vacation packages?