Hi! I would like to ask: How do I get the weekly rate from the annualized yield?

Week 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th 15th 16th 17th 18th 19th 20th 21st 22nd 23rd 24th 25th 26th 27th 28th Series Description 6-month/26Weeks Treasury bill secondary market rate (discou Unit: Percent:_Per_Year Date (Friday) Annualised Yield 13th Nov 2015 0.33 20th Nov 2015 0.32 27th Nov 2015 0.37 4th Dec 2015 0.43 11th Dec 2015 0.54 18th Dec 2015 0.5 25th Dec 2015 0.48 1st Jan 2016 0.48 8th Jan 2016 0.46 15th Jan 2016 0.43 22nd Jan 2016 0.37 29th Jan 2016 0.43 5th Feb 2016 0.45 12th Feb 2016 0.4 19th Feb 2016 0.43 26th Feb 2016 0.45 4th Mar 2016 0.47 11th Mar 2016 0.48 18th Mar 2016 0.47 25th Mar 2016 0.45 1st April 2016 0.41 8th April 2016 0.35 15th April 2016 0.35 22nd April 2016 0.36 29th April 2016 0.4 6th May 2016 0.39 13th May 2016 0.36 20th May 2016 0.41 h/26Weeks Treasury bill secondary market rate (discount basis) Weekly Rate, Rf