71% (1990)

78% (1998)

60% (2003)

82% (1995)

55% (2010)

80% (2007)

73% (2017)

72% (2011)

70% (2019)

58% (2001)

70% (2019)

80% (2020)

40% (1991)

72% (1995)

40% (2011)

64% (2014)

60% (2013)

68% (2005)

72% (2016)

67% (2008)