69% (2024)

57% (2023)

64% (2019)

62% (2022)

49% (2017)

49% (2022)

53% (2010)

62% (2020)

76% (2006)

20% (2021)

60% (1990)

66% (1982)

0% (1970)

80% (1991)

0% (1992)

50% (1988)

0% (1985)

47% (2016)

36% (2017)

61% (2003)