66% (2007)

72% (2012)

65% (2000)

75% (2001)

66% (1997)

75% (2017)

45% (2006)

72% (1998)

52% (2015)

62% (2008)

52% (1999)

60% (2005)

90% (1970)

71% (2012)

93% (1999)

57% (2010)

60% (1990)

100% (1996)

66% (2009)

90% (2005)