20% (2015)

74% (1995)

20% (2017)

0% (2007)

20% (1993)

64% (1988)

20% (2006)

35% (2004)

20% (2005)

20% (1988)

55% (2007)

0% (2019)

0% (2010)

30% (2016)

20% (2007)

60% (2014)

80% (2015)

20% (1997)

20% (2003)

15% (2000)