60% (2019)

52% (2018)

67% (2015)

40% (2024)

71% (2004)

58% (2023)

73% (1997)

57% (2011)

61% (1988)

57% (2005)

66% (2015)

61% (2024)

66% (2006)

66% (2007)

66% (2021)

57% (1977)

61% (1997)

46% (2009)

75% (2008)

65% (1999)