78% (2002)

62% (2001)

68% (1998)

69% (2015)

72% (2012)

66% (2011)

47% (2004)

63% (2003)

74% (2014)

60% (2017)

63% (1999)

66% (2005)

62% (2004)

73% (1994)

63% (2008)

64% (2003)

75% (1994)

57% (2007)

66% (2010)

57% (2022)