How many among the following can have more  Boiling points than the but–1–yne?

Terminal Alkynes are having low Boiling points than internal Alkynes. With the increase in the carbon number the Boiling points of alkyne will increase.  but–2–yne, pent–1–yne, pent–2–yne, hex–1–yne, hex–2–yne, and hex–3–yne are having more Boiling point than but–1–yne