57% (1997)

65% (2016)

30% (1989)

32% (1978)

20% (1998)

50% (2007)

75% (2018)

43% (2012)

58% (1987)

47% (1973)

55% (1967)

62% (1998)

57% (1966)

60% (2019)

71% (2006)

61% (2005)

68% (2017)

52% (2015)

47% (1970)

55% (2016)