20% (1963)

20% (2006)

50% (1993)

0% (1991)

20% (2017)

20% (1995)

50% (1999)

20% (2003)

40% (2004)

20% (2017)

20% (2002)

50% (2015)

20% (2001)

20% (2022)

20% (1984)

30% (1996)

0% (2013)

35% (2010)

40% (2007)

15% (2008)