71% (2014)

67% (2010)

56% (2008)

42% (2007)

57% (2013)

57% (2004)

64% (2019)

57% (2016)

72% (2010)

61% (2021)

66% (2003)

35% (2015)

57% (2018)

54% (2011)

55% (2020)

52% (1980)

63% (2009)

56% (1996)

68% (2023)

54% (2008)