79% (1993)

77% (2019)

67% (2000)

73% (1991)

56% (2020)

62% (2004)

57% (2010)

64% (2006)

65% (1999)

68% (1996)

67% (2017)

59% (2002)

67% (2002)

55% (2008)

70% (1997)

62% (2012)

42% (2000)

51% (2013)

60% (2001)

56% (2002)