48% (1998)

60% (1989)

54% (2007)

62% (2004)

59% (2004)

46% (1993)

55% (1993)

53% (2011)

57% (2005)

65% (1985)

80% (1977)

52% (2005)

48% (2009)

59% (2008)

53% (2002)

77% (1982)

60% (2018)

55% (2010)

51% (2008)

52% (1998)