80% (1999)

70% (2005)

60% (2012)

73% (2009)

71% (2015)

73% (2014)

64% (2001)

66% (2022)

64% (2021)

64% (2006)

75% (2010)

56% (2013)

0% (1970)

50% (2006)

60% (2011)

75% (2015)

54% (2015)

77% (2004)

67% (2003)

71% (2002)