74% (2008)

68% (2019)

56% (2003)

70% (1992)

63% (2011)

69% (2018)

70% (2024)

50% (1983)

0% (1970)

62% (2014)

0% (1988)

50% (1984)

56% (2005)

53% (2010)

64% (1990)

67% (2013)

57% (1998)

50% (1976)

73% (2023)

53% (2012)