58% (2005)

65% (2009)

60% (2003)

68% (2004)

56% (2005)

53% (2007)

60% (2004)

62% (2002)

57% (2001)

51% (2004)

53% (2002)

66% (2003)

57% (2000)

54% (1996)

46% (2014)

67% (2002)

58% (2005)

58% (2000)