61% (1995)

52% (2015)

70% (2002)

65% (2004)

54% (2016)

46% (2017)

56% (2016)

74% (2001)

74% (2018)

51% (2013)

63% (2001)

49% (1999)

0% (1970)

40% (2013)

47% (1994)

56% (2013)

54% (2012)

59% (2000)

50% (2014)

49% (1998)