62% (2024)

67% (2021)

26% (2014)

52% (2008)

63% (2011)

52% (1997)

36% (2010)

43% (2005)

59% (2013)

43% (2014)

54% (2007)

30% (1998)

45% (2004)

57% (2008)

48% (2007)

0% (1970)

10% (2007)

53% (2005)

45% (2001)

54% (2012)