60% (1988)

70% (2011)

62% (1999)

56% (2006)

68% (2017)

71% (2023)

68% (2010)

64% (2012)

51% (2009)

55% (1996)

43% (2007)

55% (2019)

35% (2014)

59% (2003)

60% (1988)

58% (2014)

48% (1976)

52% (2008)

61% (2011)

68% (2020)