70% (2016)

30% (1991)

70% (1994)

0% (2018)

90% (1995)

0% (2007)

40% (2009)

0% (2010)

30% (1997)

0% (2010)

50% (2011)

50% (1995)

30% (1997)

80% (2006)

0% (1995)

70% (1994)

0% (2004)

10% (2008)

70% (1993)

50% (1996)