What is the inferred short rate for the 6th year?

The current yield curve is inverted. The spot rates for zero- coupon bonds for the next few years are provided below. Due to a data glitch, the spot rate for this year (year 1) is missing. What is the inferred short rate for the sixth year? Year 2 3 4 5 6 Spot rate (%) 2.49 2.41 2.21 2.32 2.68 O 2.76% 09.02% 0 2.25% O 4.50% O 1.61%