65% (2009)

53% (2007)

68% (2004)

60% (2004)

56% (2005)

61% (2002)

57% (2001)

57% (2005)

66% (2003)

45% (2014)

54% (1996)

59% (2000)

51% (2004)

57% (2000)

52% (2002)

70% (2002)

59% (2005)