67% (2013)

45% (2019)

62% (2006)

55% (2017)

70% (2009)

45% (2000)

70% (1988)

53% (2008)

44% (2014)

65% (2018)

61% (2005)

60% (1988)

0% (1987)

0% (1992)

0% (1966)