23% (1993)

58% (2015)

44% (2010)

61% (2013)

56% (2012)

52% (2011)

61% (2014)

58% (2017)

64% (2011)

55% (1999)

53% (2011)

52% (1995)

51% (2001)

43% (1998)

65% (2018)

62% (2016)

64% (2015)

63% (2010)

52% (2014)

63% (2015)