55% (2015)

56% (2003)

0% (2016)

54% (2012)

40% (2005)

80% (1963)

65% (2011)

60% (2017)

20% (1999)

64% (2011)

80% (2014)

35% (2017)

37% (2016)

40% (2018)

64% (2018)

70% (2012)

42% (2010)

70% (2008)

50% (1994)

20% (1990)