55% (2018)

44% (2014)

63% (1979)

72% (1975)

42% (2013)

55% (2012)

71% (2019)

51% (2018)

47% (2009)

44% (2004)

52% (2020)

49% (2015)

68% (2019)

38% (2006)

52% (1999)

43% (2008)

61% (2017)

53% (2006)

60% (2010)

49% (2016)