66% (2009)

59% (2003)

68% (2004)

59% (2004)

56% (2005)

57% (2001)

54% (1996)

51% (2004)

53% (2007)

57% (2005)

66% (2003)

52% (2002)

61% (2002)

45% (2014)

57% (2000)

58% (2005)

67% (2002)

58% (2000)