52% (2000)

52% (2013)

47% (2004)

53% (2003)

46% (2004)

47% (2001)

48% (2001)

63% (2011)

55% (2002)

38% (2001)

49% (1999)

49% (2004)

64% (2009)

35% (2003)

43% (2002)

42% (2003)

58% (2011)

46% (1997)

50% (2004)

56% (2012)