67% (2003)

70% (1999)

64% (1999)

64% (2002)

59% (2001)

72% (2011)

66% (1997)

65% (2008)

55% (1998)

70% (2017)

64% (2013)

57% (2012)

74% (1997)

56% (2002)

65% (2004)

59% (1997)

64% (2017)

54% (2005)

62% (1998)

54% (2016)