54% (1990)

47% (1995)

44% (2008)

28% (2018)

43% (2016)

46% (2013)

41% (1984)

54% (2016)

52% (2019)

50% (2015)

43% (2016)

50% (1988)

34% (2001)

47% (2012)

45% (1978)

49% (2010)

56% (2021)

50% (2007)

42% (1984)

10% (2016)