52% (2010)

32% (2005)

43% (2004)

37% (1996)

64% (1976)

61% (2006)

55% (2015)

62% (2020)

28% (2013)

58% (2019)

71% (2008)

62% (1999)

53% (1984)

63% (1978)

39% (2016)

59% (2010)

52% (1989)

59% (2005)

61% (2019)

64% (2005)