82% (1997)

65% (2012)

74% (1997)

81% (2005)

59% (2001)

60% (2001)

73% (2019)

50% (2020)

70% (2006)

66% (2019)

68% (1999)

40% (2009)

64% (2004)

66% (2005)

60% (2007)

60% (2014)

65% (2005)

58% (2008)

63% (2010)

65% (2005)