53% (2007)

50% (2010)

60% (1997)

57% (2020)

50% (1997)

53% (1994)

47% (1986)

54% (1973)

53% (2018)

46% (2009)

46% (2015)

64% (1982)

0% (1992)

45% (1984)

43% (1991)

48% (1973)

57% (2019)

47% (2017)

57% (1993)

58% (2018)