69% (1999)

53% (2014)

64% (2011)

53% (2001)

68% (2005)

59% (1990)

60% (2023)

61% (1968)

77% (2014)

56% (2011)

55% (2021)

61% (2003)

58% (1977)

59% (1977)

68% (1991)

61% (2008)

40% (2006)

56% (1988)

68% (1985)

58% (2023)