70% (1997)

30% (2001)

80% (2025)

68% (2024)

58% (2020)

60% (1993)

10% (2006)

80% (2024)

50% (1977)

83% (2006)

0% (1975)

25% (2005)

0% (1974)

50% (2009)

0% (2007)

0% (2025)

0% (1970)

0% (2004)

50% (1970)

0% (2019)