65% (2025)

71% (2011)

77% (2024)

71% (2010)

68% (2005)

69% (1998)

71% (2009)

67% (2021)

62% (2006)

58% (2006)

57% (2008)

62% (2001)

61% (1999)

59% (1999)

61% (2011)

57% (2005)

59% (2007)

53% (2004)

64% (1999)

54% (1997)