Conor Stewart
Research expert covering health & pharmaceuticals in the UK & Europe
Get in touch with us now| Characteristic | Once or twice | Once or twice a week |
|---|---|---|
| 2024 | 81% | 91.4% |
| 2023 | 81.3% | 91.6% |
| 2022 | 81.7% | 91.9% |
| 2021* | 82.1% | 92.3% |
| 2020 | 83.1% | 93.2% |
| 2019 | 85.2% | 93.8% |
| 2018 | 86.2% | 94.3% |
| 2017 | 86.4% | 94.5% |
| 2016 | 85.6% | 94.1% |
| 2015 | 85.2% | 94.2% |
| 2014 | 83.1% | 93.3% |
| 2013 | 82.2% | 93.3% |
| 2012 | 82.6% | 93.4% |
| 2011 | 82% | 93.4% |
| 2010 | 81.8% | 93.4% |
| 2009 | 81.9% | 93.6% |
| 2008 | 81.8% | 93.6% |
| 2007 | 81.9% | 93.9% |
| 2006 | 82.2% | 93.8% |
| 2005 | 81.8% | 93.8% |
| 2004 | 81.3% | 93.7% |
| 2003 | 82.2% | 93.9% |
| 2002 | 82.4% | 93.9% |
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Source
Source
Release date
August 2025
More information
Region
North America, United States
Survey time period
2002 to 2024
Age group
12 years and older
Supplementary notes
* Due to methodological changes in 2021, caution should be used when comparing figures for 2021 with previous years. Please see source for further information on methodology.
Figures prior to 2022 were taken from previous reports.
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