64% (1996)

84% (1997)

84% (1999)

69% (2005)

83% (2004)

73% (2003)

49% (2013)

73% (2012)

72% (2014)

75% (2011)

68% (2013)

68% (2015)

77% (1989)

58% (2009)

59% (2019)

62% (1999)

63% (2007)

70% (2019)

76% (2012)

71% (2020)