20% (1977)

50% (1998)

22% (2010)

63% (2003)

58% (2013)

58% (2023)

45% (2008)

60% (2020)

55% (2015)

72% (2007)

40% (1994)

64% (2003)

78% (2015)

47% (2016)

65% (2018)

52% (2017)

62% (2023)

66% (2019)

45% (2012)

49% (2023)