69% (2013)

59% (2007)

62% (1996)

51% (2006)

61% (1993)

74% (2015)

62% (1992)

43% (2014)

58% (2004)

68% (2000)

49% (1995)

35% (1989)

44% (1992)

37% (2009)

67% (1995)

62% (1999)

64% (2017)

59% (1994)

25% (1989)

34% (1992)