82% (1996)

60% (2006)

53% (2017)

70% (2000)

56% (1992)

43% (2006)

30% (1970)

60% (1992)

70% (2003)

47% (1990)

64% (1999)

73% (2004)

69% (2009)

70% (1997)

0% (2000)

82% (1998)

75% (1999)

54% (2015)

72% (1998)

84% (2001)