The standard unit for counting Puffin is Apparently Occupied Burrows ie AOB

Year	Bass Rock	Craigleith	Lamb	Fidra	Eyebroughy	Inchkeith	Carr Craig	Inchcolm	Haystack	Inchmickery + Cow & Calves	Inchgarvie + Forth Bridge	Long Craig	May Isle	Total
1959		75-100 pairs
1960		x
1961	25-30	c110
1962		500-600
1963		450
1964		168
1965		550-600				3 AOB, c10 b
1966		c 200		11		40
1967		c 400	1	1 AOB, 4 b		62
1968		400		15		43
1969	50	410	2 AOB	3		80							2500 AOB
1970		800				80							2000 AOB
1971		600+				110							3500 AOB
1972		350		6		350							4200 AOB
1973		1400		5		450							3550 AOB
1974		1170		1 AOB		490							3870 AOB
1975		1100		10 AOB, 12 b		c610							3000 AOB
1976	c10	1350		40		380 AOB, 750 b
1977	12	1325 AOB, 950 b		15 AOB, 57 b		450
1978	c40	c1500 AOB		10-20 AOB,100 b		c394 AOB, 1000 b
1979	c15	1150		100+		660
1980	c25	2000		100		440
1981	30	1400		175		630
1982	c12	c2500		125		650
1983	10+	c1900		80		435
1984	7	700	20	325		775							12000 AOB
1985	c20	2400	c8 AOB	260		x
1986	10+	300	c56 AOB	190		816
1987	14	1165	89	x		860
1988	x	1200	c10 AOB	350		1850
1989	c10	3000	c25 AOB, 50 b	c200 AOB ,220 b		2350							18628 AOB
1990	17	550	c 5	150		700
1991	x	1550	5+	600		3000	0	0	0	0	0	0	x
1992	x	x	c 15	x	0	1600 sea & land	0	50	0	4-6 offshore	0	0	20106 AOB
1993	x	1000	100	x		650	0	35	0	7	1	0	x
1994	x	550	1+	370 AOB		c 300	0	c50	0	10	0	0	x
1995	x	4000+	c150 AOB	370	0	c 1200	0	30+	0	13	0	0	x
1996	c 20	148	148	410 AOB	0	423 AOB, 186 b	0	42	0	13 AOB	0	0	x	847 AOB + 544+ birds
1997	35	2000+	59	594 AOB	0	3209	0	65	0	22 AOB	0	0	x	616 AOB +5368 birds
1998	x	x	x	1100	0	1400	0	19	0	12	0	0	42000 AOB	2,531+
1999	x	28000 pairs	7 b	405 pairs	0	1641 b	0	40 b	0	22 b	0	0	x	28,405pr +1,710birds
2000	x	x	x	398	0	1373	0	52	0	15	0	0	x	1,838+
2001	x	x	14	x	0	2337	0	10	0	21	0	0	x	2,382+
2002	10	x	27	222	0	1305+	0	58	0	40 b 9 ashore	0	0	x	1,631+
2003	x	12,100 AOB	25 ashore	1466 AOB	0	927 on land & sea	0	x	0	9 ashore, 4 at sea	0	0	69,300 AOB	82,866 AOB 965 ind
2004	x	x	x	x	0	78 on land &569 on sea	0	2 on land, 60 on sea	0	16 ind ashore, 8 at sea	0	0	x	>733 inds
2005	10 ind on land	x	x	x	0	548 ind mostly on sea	0	2 on land, 2 on sea	0	4 ind ashore, 26 at sea	0	0	x	>592 inds
2006	a few present	x	x	51 ind on land	0	1059 on land & sea	0	4 on sea	0	6 ashore 28 on sea	0	0	x	1148 b
2007	x	x	x	262 on sea &land	0	970 on sea and land	0	39 on sea and land	0	12 close inshore	0	0	x	1021
2008	a few	x	51 on land	50 on land, 270 sea		646 on land & sea	0	36 on sea	0	1 on land	0	0	c42,000 AOB	c42,000 AOB + 1054 b
2009	a few	c4500 AOB	x	c800 AOB		1157 on sea	0	0?	0	11 b	0	0	45,000 AOB	50,000+ AOB
2010	1-2 on land	c4800 AOB	x	c1150 AOB		x	0	2 on land	0	18 on land	0	0	x	c5,950+ AOB
2011	c6 b	1830 on sea	x	c400 b		413 b	0	14 on land & sea	0	30 on sea	0	0	x	2693 b
2012		1840 b on sea	65 b on land	750 AOB c780 b on sea		c650 b on sea	0	28 b on sea	0	38 b on sea	0	0	x	3,401 b
2013		c5,000 AOB	25 b	c755 AOB		c700 b	0	38 b on sea	0	11 b on sea	0	0	c46,200 AOB	c51,955+ AOB
2014	2+ b	5475 AOB	63 b	1026 AOB		740+ b	0	51 b	0	25 b	0	0	x	6,501+ AOB
2015	2+ b	x	620 AOB	c400+ b on sea		462 b on sea	0	22+ b on sea	0	25 b on sea	0	0	x	620 AOB 909 b
2016	2+ b	4,125 AOB	x	1,050 AOB		549 b on sea	0	20+ b on sea	0	12 b on sea	0	0	x	5,758+ AOB
2017	0	c200 b on sea	c60 b on land	c500 b land/sea		527 b on sea	0	2? AOB	0	14 b on sea	0	0	c39,200 AOB	c39,200 AOB
2018	2 birds flying	c2640 AOB	685 AOB	c1000 AOB		c1600+ AOB	0	32 birds on sea	0	58 birds on sea	0	0	x	5925+ AOB
2019	0	x	x	x		c1011 birds	0	c33 birds	0	c25 birds	0	0	x	x
2020	0	x	x	x		x	0	x	0	x	0	0	x	x
2021	1-2 b	4168 AOB	777 AOB	991 AOB		x	0	a few birds	0	29 b on sea	0	0	x	5,936+
2022	1-2 b	x	x	x		x	0	a few birds	0	25 b on sea	0	0	x	x
2023	1-2 birds	x	x	x		x	0	a few birds	0	17 b on sea	0	0	x	x
2024	6 AOB	5135 AOB	793 AOB	916 AOB		x	0	x	0	28 b on sea	0	0	x	6844+
2025	9 AOB	x	x	x		161 birds on sea	0	3 birds on sea	0	40 birds on sea	0	0	x	x

AOB / AON / AOS / AOT = Apparently Occupied Burrows / Nests / Sites / Territories; IND = Individual birds
s = sites; b = birds; x = breeding but not counted; + = minimum count; c = circa; 0 = none breeding;
blank = no information available