69% (2009)

60% (2021)

55% (2008)

0% (1970)

60% (2018)

71% (2006)

65% (2013)

72% (2003)

61% (2023)

69% (2022)

67% (2005)

66% (2024)

69% (2023)

60% (2016)

70% (2015)

72% (1993)

62% (1986)

37% (2015)

78% (1980)

73% (2012)