51% (2012)

52% (2000)

45% (2004)

55% (2002)

46% (2001)

37% (2002)

43% (2002)

52% (2003)

48% (2001)

61% (2011)

48% (1999)

42% (2003)

50% (2004)

36% (2000)

50% (2004)

58% (1999)

64% (2009)

56% (2006)

43% (2001)

58% (2002)