51% (2021)

45% (2013)

25% (2009)

51% (2007)

71% (2002)

70% (2017)

61% (1988)

42% (2016)

60% (2014)

49% (2012)

80% (2017)

64% (2010)

62% (2022)

68% (2014)

62% (1980)

70% (1979)

64% (2011)

68% (2022)

0% (1970)

0% (2023)