75% (1996)

74% (1999)

59% (1995)

40% (2011)

62% (2008)

58% (1987)

53% (2005)

80% (2015)

0% (1993)

60% (1982)

42% (1996)

0% (2004)

80% (2017)

0% (2009)

0% (1990)

0% (2010)

0% (2000)

0% (2015)

0% (2007)

0% (1994)