48% (1995)

54% (2002)

60% (1981)

65% (2003)

75% (2019)

48% (1983)

49% (2014)

62% (1990)

62% (1978)

62% (2002)

64% (1990)

66% (1971)

58% (2009)

54% (1976)

72% (1989)

37% (2002)

61% (2011)

65% (2005)

67% (1997)

40% (1995)