56% (2013)

56% (1996)

63% (1995)

54% (2010)

54% (1993)

59% (1991)

63% (1991)

63% (1997)

61% (1999)

51% (2006)

66% (1992)

60% (2023)

0% (1970)

75% (2004)

74% (1996)

67% (1985)

59% (2014)

63% (2006)

61% (2000)

67% (2006)