62% (2008)

59% (2016)

65% (2018)

75% (2010)

68% (2019)

56% (2006)

76% (2013)

63% (2005)

64% (2010)

59% (2004)

58% (2006)

66% (1999)

64% (2003)

66% (2000)

54% (2005)

49% (2006)

60% (2012)

50% (2013)

65% (2008)

65% (2011)