69% (1994)

70% (2002)

62% (2012)

70% (2005)

76% (2018)

65% (2019)

66% (1995)

70% (2017)

71% (1975)

46% (1986)

72% (2013)

70% (1985)

64% (1999)

54% (1993)

70% (2006)

70% (2018)

64% (2007)

35% (2011)

58% (1987)

62% (1993)