70% (2001)

67% (1986)

64% (1984)

68% (1991)

61% (1997)

71% (2020)

60% (2008)

68% (2004)

60% (2008)

63% (2013)

60% (2018)

72% (1993)

58% (2009)

67% (1976)

46% (2005)

72% (1984)

64% (1982)

68% (2019)

60% (2017)

64% (1996)