53% (2000)

10% (1997)

27% (2000)

30% (2018)

34% (2002)

30% (2008)

59% (2002)

28% (2003)

50% (2003)

49% (2009)

26% (2006)

56% (1998)

32% (2002)

30% (1996)

46% (2009)

24% (2003)

50% (2018)

34% (2005)

10% (1999)

43% (2008)