| ATP survey wave | Field dates | Total sample size | Link to full methodology | 
|---|---|---|---|
| 32 | Feb. 26 to March 11, 2018 | 6,251 | Wave 32 methodology | 
| 36 | June 19 to July 2, 2018 | 4,587 | Wave 36 methodology | 
| 40 | Nov. 27 to Dec. 10, 2018 | 10,618 | Wave 40 methodology | 
| 45 | Feb. 19 to March 4, 2019 | 6,127 | Wave 45 methodology | 
| 46 | March 18 to April 1, 2019 | 6,364 | Wave 46 methodology | 
| 48 | April 29 to May 13, 2019 | 10,170 | Wave 48 methodology | 
| 51 | July 8 to July 21, 2019 | 5,107 | Wave 51 methodology | 
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