61% (2019)

65% (2015)

66% (2011)

60% (2005)

69% (2011)

57% (2018)

58% (2006)

60% (2009)

52% (2012)

69% (2001)

63% (2003)

66% (2015)

59% (2007)

54% (2010)

45% (2007)

60% (2006)

0% (2010)

31% (2008)

0% (1970)

65% (2016)