On March 11, 20XX, the existing or current (spot) one-year, two-year, three-year, and four-year zero-coupon Treasury security rates were as follows:

₁R₁ = 1.30%, ₁R₂ = 1.82%, ₁R₃ = 2.06%, ₁R₄ = 2.17%

Using the unbiased expectations theory, calculate the one-year forward rates on zero-coupon Treasury bonds for years two, three, and four as of March 11, 20XX.