78% (1995)

72% (1998)

69% (2007)

68% (2020)

68% (2016)

69% (2005)

62% (1990)

70% (1987)

64% (2013)

83% (2024)

71% (2003)

63% (1998)

62% (2012)

68% (2018)

64% (2003)

56% (2017)

62% (2014)

64% (2021)

62% (2012)

55% (1996)