For each week beginning on a given date, the figures show the number of sites that reported they are using the CDC 6.17.1 release.
| Week starting | Count |
|---|---|
| January 22nd | 1 |
| January 15th | 1 |
| January 8th | 1 |
| January 1st | 2 |
| December 25th | 1 |
| December 18th | 1 |
| December 11th | 1 |
| December 4th | 1 |
| November 27th | 1 |
| November 20th | 1 |
| November 13th | 1 |
| November 6th | 1 |
| October 30th | 1 |
| October 23rd | 1 |
| October 16th | 1 |
| October 9th | 1 |
| October 2nd | 1 |
| September 25th | 1 |
| September 18th | 1 |
| September 11th | 1 |
| September 4th | 2 |
| August 28th | 1 |
| August 21st | 1 |
| August 14th | 1 |
| August 7th | 1 |
| July 31st | 1 |
| July 24th | 1 |
| July 17th | 1 |
| July 10th | 1 |
| July 3rd | 1 |
| June 26th | 1 |
| June 19th | 1 |
| June 12th | 1 |
| June 5th | 1 |
| May 29th | 2 |
| May 22nd | 2 |
| May 15th | 3 |
| May 8th | 3 |
| May 1st | 3 |
| April 24th | 4 |
| April 17th | 4 |
| April 10th | 3 |
| April 3rd | 4 |
| March 27th | 3 |
| March 20th | 4 |
| March 13th | 6 |
| March 6th | 6 |
| February 27th | 3 |
| February 20th | 3 |
| February 13th | 3 |
| February 6th | 3 |
| January 30th | 3 |
| January 23rd | 4 |
| January 16th | 2 |
| January 9th | 3 |
| January 2nd | 3 |
| December 26th | 3 |
| December 19th | 3 |
| December 12th | 2 |
| December 5th | 2 |
| November 28th | 2 |
| November 21st | 2 |
| November 14th | 2 |
| November 7th | 2 |
| October 31st | 2 |
| October 24th | 2 |
| October 17th | 2 |
| October 10th | 3 |
| October 3rd | 3 |
| September 26th | 4 |
| September 19th | 3 |
| September 12th | 6 |
| September 5th | 5 |
| August 29th | 4 |
| August 22nd | 5 |
| August 15th | 19 |
| August 8th | 53 |
| August 1st | 70 |
| July 25th | 49 |
| July 18th | 58 |
| July 11th | 45 |
| July 4th | 52 |
| June 27th | 45 |