58% (1968)

52% (1965)

48% (2010)

53% (1977)

42% (2009)

51% (1997)

55% (2022)

47% (2005)

27% (1999)

70% (1991)

52% (1994)

57% (2003)

41% (1990)

51% (2013)

31% (2018)

59% (1984)

57% (1995)

67% (1995)

0% (2025)

50% (2004)