47% (1998)

62% (2000)

42% (2007)

50% (2011)

0% (2001)

40% (2007)

0% (2002)

55% (1995)

30% (2004)

0% (2006)

54% (2002)

50% (2004)

30% (2002)

0% (2005)

50% (2005)

50% (2013)