I recommend FRED.stlouisfed.org for the rates. I still need help with this even though I have the website. Please tell me the observations as well. And how you got the interest rates. Thank You.

AutoSave Off F13 f A B C D E G H Spectrum of Nominal Interest Rates 12/1/2020 Rate 1 Click to add data 1 2 3 4 5 2 3 4 6 5 Type of Instrument 12/1/2006 Rate U.S. Fed Funds U.S. 10-year AAA-Rated Corporate Bond U.S. 30-year Mortgage Loan U.S. 1-year T-Bill U.S. 10-year T-Bond U.S. Credit Card Loans U.S. Automobile Loans Brazil 10-year government bond Brazil 1 year government bond Brazil 30-year Mortgage Loan 7 6 8 7 9 8 9 10 10 11 12 13 Observations: 14 Sheet1 + Page: 1 of 1 Type here to search i AutoSave Off F13 f A B C D E G H Spectrum of Nominal Interest Rates 12/1/2020 Rate 1 Click to add data 1 2 3 4 5 2 3 4 6 5 Type of Instrument 12/1/2006 Rate U.S. Fed Funds U.S. 10-year AAA-Rated Corporate Bond U.S. 30-year Mortgage Loan U.S. 1-year T-Bill U.S. 10-year T-Bond U.S. Credit Card Loans U.S. Automobile Loans Brazil 10-year government bond Brazil 1 year government bond Brazil 30-year Mortgage Loan 7 6 8 7 9 8 9 10 10 11 12 13 Observations: 14 Sheet1 + Page: 1 of 1 Type here to search