66% (2009)

71% (2003)

65% (1999)

61% (2006)

47% (2011)

0% (2005)

60% (2007)

57% (2012)

0% (2018)

50% (2000)

44% (1990)

0% (2001)

0% (2006)

45% (1990)

60% (2010)

58% (2013)

60% (1991)

0% (1999)

50% (1993)

0% (1991)