61% (2004)

59% (2004)

53% (2011)

51% (2005)

53% (2007)

60% (1989)

56% (2021)

51% (2008)

48% (2009)

52% (1996)

46% (1993)

51% (1997)

55% (1995)

49% (2003)

56% (1999)

53% (1999)

50% (1991)

50% (2006)

41% (2011)

51% (1998)