68% (2018)

65% (2015)

61% (2011)

68% (2017)

78% (2004)

68% (2016)

68% (2009)

72% (1999)

73% (2011)

68% (2005)

56% (2017)

65% (2007)

61% (2015)

75% (1997)

55% (2001)

76% (2002)

72% (1998)

76% (2019)

70% (2005)

65% (2004)