75% (1996)

74% (1999)

62% (2008)

57% (1995)

42% (1996)

53% (2005)

40% (2011)

55% (1987)

0% (1993)

60% (1982)

80% (2017)

0% (2010)

80% (2015)

0% (2013)

0% (2015)

63% (2006)

0% (1990)

0% (2007)

0% (1994)

0% (2004)