20% (1998)

70% (2008)

49% (2006)

0% (1992)

80% (2013)

53% (2013)

68% (2011)

78% (2009)

55% (2011)

52% (2017)

58% (2007)

56% (2015)

20% (2018)

75% (2008)

48% (2006)

72% (2007)

40% (2010)

50% (2017)

59% (2017)

75% (2001)