72% (2023)

71% (2011)

69% (2017)

75% (2002)

75% (1992)

76% (1996)

67% (2006)

49% (2004)

58% (1994)

68% (1994)

61% (2010)

53% (1989)

80% (2023)

62% (1994)

68% (1999)

65% (2001)

46% (2013)

60% (2009)

71% (2012)

60% (2004)