57% (2008)

54% (2003)

61% (2013)

61% (2010)

69% (2011)

55% (2002)

60% (2001)

55% (2014)

61% (2019)

66% (2008)

62% (1995)

70% (2002)

74% (1987)

48% (2016)

57% (2006)

70% (1983)

73% (1988)

65% (2001)

40% (2002)

53% (2018)