85% (2008)

71% (1981)

71% (2003)

52% (2010)

46% (2004)

45% (1985)

40% (1991)

57% (1998)

0% (1968)

53% (2001)

46% (2013)

44% (2006)

50% (1991)

53% (2018)

67% (2016)

63% (1988)

0% (1976)

70% (1989)

51% (2005)

54% (2020)