41. Over the next year, sales in the surrounding Catalonia region of Spain jumped sevenfold . 42. Not to mention up to a sevenfold increase in the chance of a car crash. 43. Its population increased sevenfold , from 5, 000 to more than 36, 000. 44. They also toured on Rockstar's 2011 Uproar Festival, headlined by Avenged Sevenfold . 45. His family members, and Avenged Sevenfold , received the posthumous honor on his behalf. 46. The band has played with national acts such as Avenged Sevenfold , Amp ". 47. It is the second of five singles by Avenged Sevenfold written by M . Shadows. 48. During the 2011 Christmas period, the company saw a record sevenfold growth in sales. 49. Since the 1950s the number of dams in the world has increased more than sevenfold . 50. Several factors have combined to reduce their number more than sevenfold over the last 20 years.
