20% (2002)

30% (1992)

50% (2011)

0% (1991)

55% (2004)

37% (2003)

56% (2010)

38% (2007)

59% (2012)

81% (1990)

46% (2007)

40% (2014)

0% (2021)

50% (1994)

67% (1990)

75% (1989)

58% (2004)

72% (1992)

43% (2004)

57% (2008)