They should rename this improved in the last 20-30y, as shown by graphs with a y axis that starts and ends on the first and last datapoint. It's a nice article

They should rename this improved in the last 20-30y, as shown by graphs with a y axis that starts and ends on the first and last datapoint. It's a nice article but as so often, a misleading title and suggestive charting choices. Hopefully fixing that will be in the 2019 article.