69% (2024)

63% (2019)

57% (2023)

48% (2017)

49% (2022)

62% (2020)

53% (2010)

66% (1982)

76% (2006)

36% (2017)

47% (2016)

62% (2022)

20% (2021)

0% (1970)

61% (2003)

80% (1991)

60% (1990)

50% (1988)

0% (1986)

0% (1985)