77% (1999)

66% (2006)

58% (2005)

66% (1998)

70% (2009)

64% (2002)

62% (2014)

64% (2021)

70% (2016)

69% (2010)

71% (2016)

65% (2012)

70% (2010)

70% (2011)

64% (1999)

62% (2000)

59% (1990)

65% (2010)

50% (2011)

75% (1985)