66% (2009)

59% (2003)

68% (2004)

56% (2005)

57% (2001)

51% (2004)

59% (2004)

53% (2007)

58% (2005)

58% (2005)

54% (1996)

46% (2014)

57% (2000)

66% (2003)

67% (2002)

53% (2002)

62% (2002)

58% (2000)