76% (1991)

72% (2023)

65% (2024)

56% (2002)

72% (2015)

86% (2022)

56% (2022)

53% (2019)

75% (2023)

30% (2016)

60% (2010)

69% (2012)

80% (1980)

79% (2016)

55% (2013)

63% (2000)

54% (2015)

50% (2018)

65% (2005)

46% (2012)