72% (1980)

71% (1981)

57% (2015)

69% (1995)

60% (2006)

59% (2010)

74% (1996)

60% (2023)

79% (2019)

78% (1998)

70% (2005)

52% (2004)

68% (2016)

66% (2009)

78% (2016)

62% (1983)

50% (2018)

74% (2004)

70% (2008)

67% (1997)