69% (1994)

70% (2015)

66% (2007)

69% (2018)

68% (1988)

72% (2023)

71% (2005)

65% (2008)

62% (2004)

74% (2021)

72% (1999)

65% (2025)

60% (2012)

54% (2009)

68% (2000)

65% (2017)

62% (2003)

76% (1996)

62% (1986)

48% (2009)