Medium
2021-2022
| Survey Available | Delivery Month |
|---|---|
| April 5-18 | August 2021 |
| April 26 - May 9 | September 2021 |
| August 2-15 | October 2021 |
| September 7-19 | November 2021 |
| October 4-17 | December 2021 |
| November 8-14 | January 2022 |
| November 29- December 12 | February 2022 |
| January 3-16 | March 2022 |
| January 24 - February 6 | April 2022 |
| Annual Survey | February 15 - March 1 |
| April 4-17 | August 2022 |
| April 25 - May 8 | September 2022 |