75% (1997)

67% (1991)

63% (2000)

62% (1995)

73% (1996)

49% (1998)

59% (1992)

63% (1997)

74% (1994)

40% (1992)

60% (2015)

42% (1998)

52% (2000)

43% (2020)

64% (2002)

0% (1993)

0% (2012)

0% (2008)

0% (1970)