65% (2017)

54% (1981)

71% (2015)

54% (2010)

54% (2006)

57% (1993)

43% (2005)

46% (2008)

69% (1995)

68% (2003)

67% (2021)

65% (2015)

64% (2020)

60% (2016)

65% (1981)

65% (2018)

72% (1997)

59% (2017)

55% (1999)

77% (2024)