70% (1978)

80% (2018)

64% (2021)

75% (2018)

60% (2008)

52% (1986)

55% (2002)

48% (2004)

70% (2001)

25% (2008)

56% (2011)

0% (1976)

59% (2009)

46% (2010)

68% (2019)

57% (2010)

60% (1966)

60% (2010)

66% (2009)

60% (1998)