Read this and answer the question. If the question is unanswerable, say "unanswerable".

As of the 2000 census other Christian minority communities include Neo-Pietism (0.44%), Pentecostalism (0.28%, mostly incorporated in the Schweizer Pfingstmission), Methodism (0.13%), the New Apostolic Church (0.45%), Jehovah's Witnesses (0.28%), other Protestant denominations (0.20%), the Old Catholic Church (0.18%), other Christian denominations (0.20%). Non-Christian religions are Hinduism (0.38%), Buddhism (0.29%), Judaism (0.25%) and others (0.11%); 4.3% did not make a statement. 21.4% in 2012 declared themselves as unchurched i.e. not affiliated with any church or other religious body (Agnostic, Atheist, or just not related to any official religion).

According to the census of 2000, what percentage of Swiss are Jehova's Witnesses?
0.28%