77% (2019)

79% (1993)

73% (1991)

63% (2004)

56% (2020)

59% (2002)

56% (2010)

63% (2006)

67% (2000)

65% (1999)

67% (2002)

70% (1997)

66% (2017)

59% (2001)

54% (2008)

67% (1996)

62% (2012)

63% (2005)

41% (2000)

51% (2013)