0% (1970)

0% (2008)

65% (1987)

51% (2016)

43% (2015)

54% (1981)

0% (1995)

64% (2009)

71% (2003)

78% (1973)

69% (1988)

62% (1991)

55% (1977)

70% (1989)

0% (2001)

52% (1991)

43% (2002)

0% (1989)

62% (1999)

60% (2020)