70% (2009)

57% (2019)

51% (2014)

62% (2005)

58% (1994)

67% (2011)

57% (2009)

63% (2020)

63% (2014)

68% (2012)

66% (2017)

55% (1999)

61% (2003)

66% (1999)

48% (2016)

69% (2006)

61% (1998)

36% (2000)

48% (2005)

0% (1970)