Global Trends in Application of Stereology as a Quantitative Tool in Biomedical Research

Table 1

Publications which applied stereology as quantitative tool during the past 50 years. The number of publications per year, cumulative frequency, relative growth rate (RGR), and doubling time (DT) are presented.

Year	Number of; publications	Percent	Cumulative; frequency	Relative Growth Rate	Doubling Time
1966	1	0.02	1	-	-
1967	1	0.02	2	0.69	1.00
1969	3	0.05	5	0.92	0.76
1970	3	0.05	8	0.47	1.47
1971	4	0.07	12	0.41	1.71
1972	12	0.21	24	0.69	1.00
1973	11	0.19	35	0.38	1.84
1974	16	0.28	51	0.38	1.84
1975	8	0.14	59	0.15	4.76
1976	29	0.51	88	0.40	1.73
1977	27	0.47	115	0.27	2.59
1978	27	0.47	142	0.21	3.29
1979	39	0.68	181	0.24	2.86
1980	39	0.68	220	0.20	3.55
1981	35	0.61	255	0.15	4.69
1982	47	0.82	302	0.17	4.10
1983	45	0.79	347	0.14	4.99
1984	68	1.19	415	0.18	3.87
1985	58	1.01	473	0.13	5.30
1986	62	1.08	535	0.12	5.63
1987	69	1.20	604	0.12	5.71
1988	75	1.31	679	0.12	5.92
1989	147	2.56	826	0.20	3.54
1990	97	1.69	923	0.11	6.24
1991	72	1.26	995	0.08	9.23
1992	107	1.87	1102	0.10	6.78
1993	132	2.30	1234	0.11	6.13
1994	100	1.74	1334	0.08	8.89
1995	133	2.32	1467	0.10	7.29
1996	133	2.32	1600	0.09	7.99
1997	112	1.95	1712	0.07	10.24
1998	151	2.63	1863	0.08	8.20
1999	164	2.86	2027	0.08	8.21
2000	164	2.86	2191	0.08	8.91
2001	155	2.70	2346	0.07	10.14
2002	155	2.70	2501	0.06	10.83
2003	186	3.24	2687	0.07	9.66
2004	187	3.26	2874	0.07	10.30
2005	237	4.13	3111	0.08	8.75
2006	197	3.44	3308	0.06	11.29
2007	227	3.96	3535	0.07	10.44
2008	224	3.91	3759	0.06	11.28
2009	230	4.01	3989	0.06	11.67
2010	240	4.19	4229	0.06	11.86
2011	260	4.54	4489	0.06	11.61
2012	303	5.29	4792	0.07	10.61
2013	273	4.76	5065	0.06	12.51
2014	256	4.47	5321	0.05	14.05
2015	221	3.86	5542	0.04	17.03
2016	190	3.31	5732	0.03	23.10