54% (2007)

57% (2006)

69% (1991)

65% (2021)

70% (1990)

72% (2003)

54% (2011)

47% (2017)

68% (2002)

65% (2010)

71% (2020)

57% (2017)

55% (1995)

67% (1988)

68% (2009)

70% (2000)

56% (2016)

62% (2014)

57% (2006)

50% (1976)