72% (2018)

70% (2014)

50% (2011)

62% (2007)

70% (2007)

0% (2002)

25% (1962)

60% (2012)

100% (2015)

40% (2019)

72% (2019)

20% (2006)

40% (2012)

40% (2018)

50% (2006)

20% (2006)

60% (2008)

61% (2013)

50% (2010)

70% (1993)