0% (1970)

48% (2009)

53% (1995)

53% (2010)

68% (2023)

48% (2020)

54% (1990)

46% (1995)

57% (2001)

50% (1976)

63% (1987)

77% (1989)

62% (1982)

39% (2009)

45% (2006)

59% (2009)

36% (2023)

24% (1997)

45% (2024)

40% (2021)