64% (2007)

62% (2005)

65% (2004)

60% (2014)

68% (2002)

61% (1992)

53% (2017)

64% (2001)

55% (2005)

56% (2000)

53% (2000)

63% (2014)

62% (2005)

46% (2002)

55% (1996)

60% (2002)

52% (2006)

57% (1992)

51% (2006)

57% (2000)