75% (1999)

68% (1989)

71% (1993)

68% (2012)

51% (2003)

73% (1998)

57% (1992)

85% (2011)

51% (1998)

75% (2009)

62% (2010)

69% (2011)

64% (2011)

61% (2009)

81% (2005)

58% (2002)

72% (2018)

71% (2018)

75% (1984)

45% (1999)