68% (2014)

73% (2019)

63% (2006)

57% (2017)

65% (2018)

59% (2011)

65% (2015)

70% (2021)

73% (2009)

63% (2019)

67% (2009)

70% (2009)

51% (2016)

61% (2009)

57% (2008)

0% (1970)

60% (2008)

70% (2009)

60% (2014)

73% (2011)