In the last month or so, people have stock-piled, toilet paper, sanitizer, frozen pizza,  medication and the like, but 20% has also stocked-piled THIS? What is this?

In the last month or so, people have stock-piled, toilet paper, sanitizer, frozen pizza,  medication and the like, but 20% has also stocked-piled THIS? What is this?

In the last month or so, people have stock-piled, toilet paper, sanitizer, frozen pizza,  medication and the like, but 20% has also stocked-piled THIS? What is this?

(Ans: Alcohol and beer!)