62% (2017)

52% (2011)

50% (2005)

60% (1988)

71% (1999)

60% (2004)

57% (1990)

40% (2000)

40% (1989)

73% (2003)

65% (2002)

30% (1991)

51% (1991)

0% (1993)

66% (2002)

65% (1983)

70% (1980)

60% (1995)

70% (2024)

38% (1997)