49% (1970)

65% (2020)

53% (2015)

67% (2005)

65% (1996)

0% (1970)

50% (1983)

70% (1995)

70% (2004)

70% (1970)

85% (2006)

63% (1980)

58% (2015)

70% (1998)

0% (2005)

30% (1997)

0% (1970)

79% (1992)

53% (1983)

0% (2004)