46% (2008)

54% (2014)

50% (2017)

44% (1999)

23% (1991)

51% (2020)

58% (2008)

43% (2007)

75% (2010)

46% (2011)

64% (2018)

58% (2015)

56% (2012)

58% (2019)

40% (2004)

69% (1977)

0% (1991)

30% (2002)

64% (1997)

38% (2009)