68% (2015)

70% (2010)

70% (2000)

75% (2017)

70% (2005)

35% (2012)

0% (2003)

67% (2011)

69% (2011)

70% (2012)

0% (2011)

90% (2013)

68% (1972)

80% (1996)

50% (1987)

44% (2021)

10% (2016)

40% (2005)

67% (2007)

0% (2016)