51% (1990)

71% (2000)

80% (1990)

63% (2010)

87% (2008)

81% (2019)

57% (1996)

0% (1970)

0% (2011)

70% (2009)

80% (2013)

73% (1991)

72% (1995)

70% (2008)

77% (2006)

80% (2015)

60% (2005)

80% (1993)

80% (2017)

0% (2021)