61% (2018)

52% (1996)

58% (2002)

53% (2012)

57% (2009)

63% (1991)

59% (2008)

48% (1994)

49% (2003)

10% (1994)

53% (1992)

71% (1977)

50% (2011)

57% (2021)

60% (2012)

58% (1980)

54% (1995)

54% (1995)

55% (1982)

52% (1990)