61% (2012)

74% (2008)

66% (2015)

75% (2020)

81% (2004)

0% (2003)

50% (2008)

80% (2011)

60% (2003)

0% (1996)

65% (2020)

20% (1992)

70% (2019)

0% (1990)

65% (2006)

80% (2002)

60% (1998)

20% (2006)

0% (2007)

0% (1970)