Tolong jelaskan mengenai 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