45% (1992)

59% (2017)

62% (1992)

49% (2015)

55% (2019)

42% (2011)

54% (2014)

46% (2014)

51% (1999)

45% (2008)

55% (2006)

41% (2005)

60% (2009)

50% (2009)

41% (2011)

49% (2010)

47% (2013)

54% (1989)

46% (1990)

46% (2008)