64% (2024)

73% (1993)

66% (2014)

71% (2002)

75% (1996)

66% (2008)

70% (2010)

67% (1999)

72% (2004)

68% (2018)

70% (1990)

66% (1997)

73% (1992)

59% (2012)

40% (1993)

0% (1970)