As the summer grilling season kicks off this weekend, Americans are seeing sticker stock when it comes to their steaks and burgers. Ground beef prices in April rose to a record $4.23 a pound, according to the Bureau of Labor Statistics, as beef prices have risen 14 months in a row, according to the U.S. Department of Agriculture. Just five years ago, hamburger prices were almost half that, at $2.36 a pound. Americans spent about $298 per person on beef in 2014, and $170 on pork, according to the National Cattlemen’s Beef Association, the highest dollar amounts in 25 years.