70% (2001)

62% (2003)

20% (2010)

20% (2017)

38% (2007)

58% (2011)

20% (2004)

81% (2012)

85% (2013)

20% (2004)

0% (2018)

20% (1997)

75% (2006)

40% (2021)

40% (2004)

20% (1990)

20% (2009)

55% (2018)

80% (2004)

53% (2016)