51% (1998)

60% (1989)

62% (2004)

59% (2004)

53% (2011)

53% (2007)

46% (1993)

52% (1998)

80% (1977)

48% (2009)

55% (1993)

58% (2004)

50% (1991)

53% (2012)

51% (1997)

56% (2021)

49% (2011)

54% (1995)

65% (1985)

52% (1996)