0% (1993)

5% (2014)

30% (2015)

50% (1998)

50% (2007)

80% (2014)

55% (2009)

39% (2009)

90% (2008)

0% (2006)

60% (2005)

60% (1999)

60% (1997)

0% (1996)

40% (1990)

62% (1987)

0% (1935)

60% (2009)

0% (2015)

0% (2015)