75% (2009)

80% (2016)

56% (2010)

62% (1999)

80% (2008)

63% (2010)

90% (1997)

0% (1999)

55% (2005)

64% (2003)

70% (2003)

60% (1998)

100% (2006)

55% (2011)

66% (2015)

70% (2011)

40% (2005)

95% (1976)

65% (2008)

90% (2019)