78% (2003)

64% (2007)

77% (2008)

68% (2019)

68% (2005)

51% (2018)

69% (2005)

71% (2018)

0% (2008)

63% (2014)

75% (2002)

57% (2008)

63% (2008)

76% (1996)

58% (1991)

71% (1992)

68% (2006)

52% (2004)

59% (2000)

72% (2015)