58% (2007)

43% (2014)

69% (2013)

50% (2006)

73% (2015)

62% (1996)

67% (2000)

49% (1995)

63% (2017)

37% (2009)

62% (1992)

59% (1993)

34% (1989)

58% (2004)

59% (1994)

62% (1999)

67% (1995)

76% (2004)

42% (1991)

63% (2001)