65% (2023)

50% (1969)

35% (1967)

65% (2011)

80% (1978)

63% (1978)

50% (1978)

0% (1997)

0% (1979)

0% (1980)

70% (2001)

60% (1991)

67% (2002)

70% (2019)

60% (2019)

40% (2007)

65% (2015)

45% (2005)

50% (1988)

72% (1982)