| Year | In the past month | In the past week |
|---|---|---|
| 2008 | 9% | |
| 2009 | 11% | |
| 2010 | 12% | |
| 2011 | 12% | |
| 2012 | 14% | |
| 2013 | 12% | 7% |
| 2014 | 15% | 8% |
| 2015 | 17% | 10% |
| 2016 | 21% | 13% |
| 2017 | 24% | 15% |
| 2018 | 26% | 17% |
| 2019 | 32% | 22% |
| 2020 | 37% | 24% |
| 2021 | 41% | 28% |
- Report
|
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