50% (2003)

72% (2014)

20% (1993)

0% (1992)

45% (2007)

40% (2005)

50% (2008)

70% (1995)

0% (2007)

20% (1998)

20% (2002)

20% (1996)

37% (2002)

0% (1993)

20% (2016)

20% (2000)

20% (2000)

20% (2004)

20% (1999)

0% (1995)