76% (2010)

62% (2008)

68% (2019)

63% (2005)

59% (2016)

51% (2006)

65% (2018)

64% (2010)

62% (2004)

53% (2005)

66% (2011)

67% (1999)

66% (2000)

59% (2007)

58% (2006)

67% (2006)

54% (2004)

58% (2002)

64% (2008)

64% (2003)