Those are the contributions to real GDP growth from the export sector. Actual export volumes are growing faster than that, but that's the actual impact on the headline “Real GDP Growth” numbers. You're correct, though, that we have fairly solid growth up until 2020 and then the decline after that.
It's more of the moderation in the U.S. economy that we see. We had U.S. growth of around 2.5% per year. We also have the world economy more broadly returning back to growth in 2020—rebounding. Then, for the U.S. economy, there's the moderation after that.