51% (2009)

65% (2007)

66% (2009)

48% (1976)

67% (2018)

61% (2011)

43% (2015)

57% (1993)

66% (1986)

76% (2020)

62% (2010)

66% (2006)

68% (2018)

68% (2008)

51% (2003)

55% (1989)

62% (2019)

49% (2018)

67% (2010)

58% (2015)