70% (2011)

70% (2002)

70% (2003)

0% (2005)

70% (2016)

0% (2012)

35% (1995)

70% (1994)

70% (2002)

73% (1990)

60% (2013)

55% (2003)

60% (2021)

45% (2013)

50% (2008)