Earlier quoted context omitted.
From the Surgeon General: > E-cigarette use among U.S. youth and young adults is now a major public health concern. E-cigarette use has increased considerably in recent years, growing an astounding 900% among high school students from 2011 to 2015. [0] [0]: https://www.cdc.gov/tobacco/data_statistics/sgr/e-cigarettes...
This growth percentage is for E-cigarettes, not for smoking. And when were E-cigs invented anyway? Comparing against 2011 may be a way to get big percentage numbers, without describing much about prevalence.
[0]: https://www.cdc.gov/media/releases/2019/p0211-youth-tobacco-...