60% (2018)

51% (2014)

57% (2012)

34% (2017)

61% (1978)

55% (2005)

50% (2014)

50% (2017)

0% (2014)

50% (2013)

36% (2015)

20% (2012)

0% (2011)

48% (2008)

40% (2008)