Accidents involving drivers who do not wear seatbelts have been shown to cause higher rates of serious injury than accidents involving drivers who do wear seatbelts. Because drivers who do not wear seatbelts can end up costing taxpayers money in medical bills, Thoracic County should make it illegal to drive without a seatbelt. Which of the following, if true, provides the most support for the argument above? ['Motorcycle accidents are statistically more significant in terms of the money they cost taxpayers in Thoracic County.', 'In Thoracic County, the number of severe injuries and deaths caused by driving without a seatbelt is less than the number caused by drunk driving.', 'Within Thoracic County, the majority of citizens already wear their seatbelts.', 'On particularly dangerous roads in Thoracic County, vehicular accidents of all kinds are common.']