39% (1983)

50% (1998)

49% (2006)

58% (2006)

31% (2009)

58% (2007)

60% (2015)

59% (2018)

53% (2005)

38% (2000)

67% (2007)

43% (2005)

58% (2001)

37% (1998)

0% (2006)

42% (2014)

68% (2005)

60% (2007)

33% (2003)

25% (2009)