69% (2011)

76% (1997)

77% (2002)

60% (2011)

71% (1999)

50% (2007)

66% (2001)

10% (2017)

68% (2004)

71% (1992)

70% (1996)

48% (2006)

52% (2017)

52% (1997)

60% (2007)

51% (2013)

59% (2010)

45% (1993)

70% (1999)

64% (2008)