40% (1999)

70% (2008)

90% (1998)

0% (2018)

0% (2006)

0% (2005)

0% (2011)

0% (2018)

0% (1993)

0% (2002)

70% (1993)

50% (2003)

0% (2006)

0% (1991)

0% (2007)

40% (2011)

80% (2003)

30% (1997)

0% (2010)

70% (2007)