64% (2008)

60% (1999)

60% (2008)

61% (2011)

57% (2005)

55% (2003)

59% (2010)

52% (2004)

61% (2002)

37% (2000)

50% (2001)

53% (2007)

48% (2005)

76% (2011)

57% (2008)

60% (2003)

57% (2005)

40% (2000)

51% (2002)

50% (2002)