56% (2015)

71% (2006)

66% (1999)

72% (2018)

63% (2004)

67% (1996)

55% (2018)

70% (2011)

63% (2002)

65% (1998)

71% (1993)

60% (2015)

73% (1999)

61% (2008)

61% (1998)

60% (2002)

69% (2000)

68% (1996)

53% (2006)

71% (2018)