63% (2003)

57% (2000)

30% (1993)

71% (1989)

52% (2000)

65% (1995)

62% (1977)

61% (2003)

60% (2006)

56% (1998)

48% (2023)

50% (1976)

50% (1992)

55% (1997)

60% (1975)

52% (2011)

72% (2019)

35% (2002)

61% (2007)

58% (1996)