52% (2011)

50% (2015)

49% (2016)

46% (2008)

44% (1994)

59% (1991)

51% (1999)

45% (1992)

41% (2011)

59% (2017)

39% (2008)

54% (2014)

42% (1999)

41% (1985)

49% (1995)

45% (2002)

48% (1986)

53% (2019)

35% (2011)

40% (2002)