75% (2006)

71% (2021)

58% (1969)

0% (1976)

59% (1989)

50% (1994)

70% (2017)

20% (2002)

58% (1972)

54% (2002)

53% (1993)

38% (2007)

61% (2000)

67% (1983)

60% (1988)

53% (2002)

50% (1980)

10% (1985)

46% (2007)

57% (2003)