58% (2015)

66% (2010)

63% (2013)

59% (2008)

60% (2009)

48% (2012)

47% (2013)

39% (2014)

52% (2020)

61% (1992)

46% (2008)

52% (1988)

50% (2017)

45% (2008)

56% (2006)

44% (2012)

50% (2018)

49% (2010)

51% (2016)

51% (2007)