59% (2004)

70% (2001)

70% (2010)

53% (2001)

71% (2013)

67% (2002)

47% (2002)

66% (2008)

60% (2005)

72% (2002)

67% (2000)

67% (2005)

67% (1999)

63% (2009)

72% (2002)

57% (2007)

56% (2007)

71% (2005)

66% (2001)

72% (2006)