57% (1976)

65% (2007)

52% (1980)

50% (2007)

51% (2013)

61% (2001)

60% (1981)

48% (2006)

59% (2018)

61% (2017)

62% (2010)

71% (2023)

54% (1993)

58% (2020)

49% (2013)

57% (2023)

49% (2010)

51% (1989)

42% (2022)

51% (2022)