68% (2019)

60% (2016)

66% (1997)

53% (2002)

50% (2008)

71% (1999)

57% (2003)

61% (2004)

49% (2010)

72% (2006)

59% (2006)

65% (2021)

67% (2016)

65% (1989)

69% (2012)

45% (2017)

65% (2009)

49% (2007)

52% (1997)

50% (1976)