53% (2009)

62% (2009)

51% (2012)

46% (2001)

55% (2007)

62% (2014)

68% (2008)

54% (2014)

49% (2002)

72% (2006)

55% (2001)

51% (2002)

59% (2001)

65% (2002)

42% (2005)

56% (2003)

43% (2002)

54% (2002)

60% (2022)

0% (1970)