44% (1996)

48% (1999)

52% (2009)

66% (2005)

44% (1993)

50% (2005)

58% (2002)

42% (2003)

48% (1994)

49% (1998)

32% (1997)

46% (2001)

57% (1998)

33% (2004)

42% (2003)

36% (2003)

51% (1996)

48% (2010)

55% (2005)

50% (2003)