Article: 83% of the total population adheres to Christianity, making it the most common religion in Swaziland. Anglican, Protestant and indigenous African churches, including African Zionist, constitute the majority of the Christians (40%), followed by Roman Catholicism at 20% of the population. On 18 July 2012, Ellinah Wamukoya, was elected Anglican Bishop of Swaziland, becoming the first woman to be a bishop in Africa. 15% of the population follows traditional religions; other non-Christian religions practised in the country include Islam (1%), the Baha'i Faith (0.5%), and Hinduism (0.2%). There are 14 Jewish families.

Question: What amount of Swazi Christians are Roman Catholic?
20%