20% (1998)

72% (2007)

60% (2003)

20% (2004)

81% (2005)

20% (1997)

51% (1995)

20% (2019)

45% (2009)

62% (2003)

20% (2017)

60% (2014)

70% (2001)

55% (2000)

0% (2009)

0% (2008)

77% (2006)

30% (2011)

69% (2012)

84% (2017)