62% (2015)

67% (2019)

68% (2005)

52% (2004)

58% (1991)

50% (2008)

61% (2000)

73% (2001)

68% (2020)

73% (2021)

65% (2010)

54% (2007)

72% (2008)

71% (2018)

72% (1996)

78% (1972)

75% (2017)

60% (2008)

73% (2001)

53% (1975)