Referenda in Malta

"Only five referenda have ever been held in Malta; one of them was a purely local one in Gozo. It is remarkable that no referendum (except the 1870 referendum) received the approval of a majority of all the registered voters, because often substantial numbers of voters did not cast a vote.
Sources: Several works in English give extended discussion to the events (..): Particularly useful are Henry Frendo, The Origins of Maltese Statehood (1999); Joseph Pirotta, Fortress Colony: The Final Act (Vol. II, 1991); Edith Dobie, Malta's Road to Independence (1967); and Edgar Mizzi, Malta in the Making (1995).“

References: http://www.maltadata.com/ref-votes.htm