52% (2007)

40% (2006)

59% (2007)

60% (2009)

71% (2007)

77% (2014)

73% (2011)

55% (2008)

63% (2018)

56% (2009)

68% (2011)

54% (2019)

59% (2002)

47% (2012)

62% (2007)

60% (2005)

70% (2007)

53% (2002)

0% (1970)

56% (2002)