We've been doing it this way since the 1980s, and you can't...

We've been doing it this way since the 1980s, and you can't change midstream and go to electronic, for instance, because we wouldn't be using the same formula. We conduct the same survey in the same manner at the same time of year every three to five years. If we used an electronic survey, we'd only have access to people who know how to use it. But we need to reach a general population.