51% (2023)

58% (2013)

55% (2000)

45% (1999)

53% (2010)

52% (1990)

65% (2010)

45% (2020)

54% (2008)

52% (2005)

65% (1986)

65% (1999)

60% (1974)

71% (2014)

59% (1988)

52% (2009)

70% (2014)

58% (1980)

52% (2014)

55% (2013)