72% (1997)

90% (2004)

57% (2024)

63% (2012)

78% (2011)

86% (2021)

69% (2008)

88% (2017)

55% (2018)

40% (1988)

78% (2024)

66% (2007)

0% (2012)

70% (2020)

90% (2010)

67% (1987)

60% (2006)

54% (2015)

43% (1958)

0% (2000)