60% (2009)

39% (2008)

58% (2018)

42% (2010)

56% (2007)

0% (1964)

25% (2002)

51% (2017)

58% (2014)

20% (2006)

62% (2012)

57% (2012)

62% (2012)

42% (2003)

50% (2006)

68% (2016)

20% (2017)

52% (2014)

60% (2014)

54% (2013)