80% (1970)

0% (2011)

100% (2007)

80% (2007)

57% (1989)

72% (2000)

78% (2010)

70% (1997)

80% (1970)

80% (2020)

45% (2012)

0% (2013)

91% (1978)

70% (2019)

55% (2002)

0% (2016)

65% (2004)

0% (2018)

69% (2020)

51% (2017)