Why does anybody really need Data statements anyway? It's easier than reading a data file, but why not just set the variable to begin with?
I use Data statements for test data, such as a map in which I read in numbers for a tilemap into an array. It's self-contained, especially if you want to let others see what you're doing (ie a bug-hunt) and don't want to fuss with having external files that they may have trouble finding/loading.