50% (2006)

63% (2017)

57% (1992)

30% (2016)

51% (1990)

54% (1960)

50% (2000)

56% (2005)

69% (2020)

68% (1992)

67% (2018)

76% (2001)

72% (1966)

45% (1999)

63% (1988)

42% (1985)

79% (2014)

38% (2005)

57% (1999)

55% (1998)