67% (2003)

69% (1999)

63% (1999)

64% (2004)

59% (2001)

74% (1997)

63% (2013)

65% (1997)

69% (2017)

72% (2011)

54% (1997)

65% (2019)

55% (1998)

58% (2005)

66% (2003)

51% (2005)

56% (2002)

62% (1998)

70% (2001)

51% (2006)