78% (2002)

73% (1998)

70% (1999)

50% (1996)

74% (2016)

76% (2002)

20% (1999)

0% (1991)

74% (2012)

72% (2013)

64% (2007)

0% (2011)

20% (1989)

60% (2019)

20% (1995)

76% (2015)

72% (2003)

72% (1992)

70% (1997)

71% (2017)