66% (2008)

62% (2019)

61% (2021)

71% (2005)

56% (2009)

68% (2001)

65% (2006)

62% (2010)

59% (2010)

58% (2013)

52% (2014)

51% (2011)

44% (2004)

54% (2006)

47% (2004)

50% (2024)

0% (1990)