60% (2012)

100% (2018)

15% (2011)

10% (2006)

0% (2012)

80% (2003)

78% (1991)

69% (2009)

30% (2005)

78% (2000)

90% (2012)

81% (2008)

76% (1982)

0% (2013)

55% (1971)

76% (2000)

70% (2003)

56% (2006)

72% (2010)

75% (2019)