- ROMAN (174,662)
- MEDIEVAL (135,862)
- POST MEDIEVAL (127,571)
- IRON AGE (44,728)
- EARLY MEDIEVAL (28,768)
- NEOLITHIC (16,109)
- UNKNOWN (11,871)
- BRONZE AGE (11,242)
- MESOLITHIC (6,859)
- MODERN (4,695)
- PALAEOLITHIC (1,133)
- PREHISTORIC (158)
- GREEK AND ROMAN PROVINCIAL (144)
- C16 AD (87)
- BYZANTINE (79)
- UNCERTAIN (78)
- C13AD (71)
- LATE IRON AGE (58)
- C17 AD (57)
- LATE BRONZE AGE (37)
- C14 AD (36)
- ANGLO-SAXON (29)
- C15 AD (24)
- EARLY BRONZE AGE (20)
- LATE NEOLITHIC (19)
- C2 AD (15)
- C3 AD (14)
- C1 AD (10)
- C11 AD (10)
- C12 AD (10)
- C19 AD (10)
- C4 AD (10)
- C18 AD (9)
- MIDDLE BRONZE AGE (9)
- LATE MESOLITHIC (7)
- EARLY ROMAN (5)
- C20 AD (4)
- C6 AD (4)
- C10 AD (3)
- C5 AD (3)
- EARLY C1 AD (3)
- C7 AD (2)
- LATE C3 AD (2)
- LOWER PALAEOLITHIC (2)
- SCOTTISH (2)
- C8 AD (1)
- C9 AD (1)
- LATE C2 AD (1)
- UPPER PALAEOLITHIC (1)