67% (1993)

50% (1998)

63% (2015)

62% (2005)

79% (2012)

90% (2008)

77% (2002)

77% (2009)

67% (1989)

40% (1999)

0% (1970)

0% (2002)

70% (2016)

55% (2009)

72% (2003)

76% (2010)

60% (2010)

48% (2000)

0% (2017)

70% (2006)