Jelaskan Titel dari PFC Levski Sofia

1933, 1937, 1942, 1946, 1947, 1949, 1950, 1953, 1965, 1968, 1970, 1974, 1977, 1979, 1984, 1985, 1988, 1993, 1994, 1995, 2000, 2001, 2002, 2006, 2007, 2009