68% (2019)

73% (2008)

70% (2024)

67% (2013)

63% (2011)

64% (1990)

62% (2014)

73% (2023)

69% (2018)

56% (2003)

56% (2005)

50% (2015)

60% (2009)

53% (2012)

53% (2010)

52% (2018)

0% (1970)

50% (1987)

70% (1992)

40% (1987)