Table 2. Trend of publication of IK, LK... | Emerald Publishing

Table 2.

Trend of publication of IK, LK and TK literature, 1989–September 2021

PY	LK		IK		TK		PY	LK		IK		TK
PY	n	AGR	n	AGR	n	AGR		n	AGR	n	AGR	n	AGR
1889	3		0		0		1992	27	12.5	13	−13.3	13	−7,1
1892	1	−66.7	0	0.0	0	0.0	1993	44	63.0	28	115.4	14	7,7
1927	1	0.0	0	0.0	0	0.0	1994	43	−2.3	29	3.6	23	64,3
1954	1	0.0	0	0.0	0	0.0	1995	43	0.0	33	13.8	28	21.7
1958	1	0.0	0	0.0	0	0.0	1996	49	14.0	37	12.1	20	−28.6
1959	1	0.0	0	0.0	0	0.0	1997	57	16.3	41	10.8	28	40.0
1962	2	100.0	0	0.0	0	0.0	1998	49	−14,0	35	−14.6	42	50.0
1967	1	−50.0	0	0.0	0	0.0	1999	60	22.4	41	17.1	66	57.1
1968	1	0.0	0	0.0	0	0.0	2000	86	43.3	57	39.0	73	10.6
1969	1	0.0	0	0.0	0	0.0	2001	69	−19.8	50	−12.3	54	−26.0
1970	1	0.0	0	0.0	0	0.0	2002	87	26.1	88	76.0	60	11.1
1973	1	0.0	0	0.0	0	0.0	2003	131	50.6	115	30.7	109	81.7
1974	1	0.0	0	0.0	1	0.0	2004	111	−15.3	74	−35.7	80	−26.6
1975	3	200.0	0	0.0	1	0.0	2005	155	39.6	124	67.6	129	61.3
1976	0	−100.0	0	0.0	2	100.0	2006	181	16.8	117	−5.6	165	27.9
1977	3	0.0	0	0.0	0	−100,0	2007	234	29.3	153	30.8	185	12.1
1978	4	33.3	0	0.0	2	0.0	2008	224	−4.3	185	20.9	265	43.2
1979	2	−50.0	1	0.0	1	−50.0	2009	267	19.2	274	48.1	365	37.7
1980	6	200.0	5	400.0	3	200.0	2010	293	9.7	239	−12.8	374	2.5
1981	1	−83,3	0	−100.0	1	−66,7	2011	323	10.2	263	10.0	400	7.0
1982	4	300.0	0	0.0	4	300.0	2012	299	−7.4	314	19.4	444	11.0
1983	6	50.0	0	0.0	2	−50.0	2013	356	19.1	289	−8.0	473	6.5
1984	5	−16.7	2	0.0	0	−100.0	2014	375	5.3	320	10.7	455	−3.8
1985	9	80.0	2	0.0	5	0.0	2015	421	12.3	336	5.0	490	7.7
1986	10	11.1	2	0.0	6	20.0	2016	455	8.1	416	23.8	579	18.2
1987	10	0.0	2	0.0	6	0.0	2017	450	−1,1	324	−22.1	537	−7,3
1988	10	0.0	6	200.0	10	66.7	2018	509	13.1	433	33.6	608	13.2
1989	7	−30.0	6	0.0	6	−40.0	2019	542	6.5	471	8.8	681	12.0
1990	12	71.4	7	16.7	15	150.0	2020	575	6.1	606	28.7	748	9.8
1991	24	100.0	15	114.3	14	−6.7	2021	482	−16.2	472	−22.1	502	−32.9

PY	LK		IK		TK		PY	LK		IK		TK
PY	n	AGR	n	AGR	n	AGR		n	AGR	n	AGR	n	AGR
1889	3		0		0		1992	27	12.5	13	−13.3	13	−7,1
1892	1	−66.7	0	0.0	0	0.0	1993	44	63.0	28	115.4	14	7,7
1927	1	0.0	0	0.0	0	0.0	1994	43	−2.3	29	3.6	23	64,3
1954	1	0.0	0	0.0	0	0.0	1995	43	0.0	33	13.8	28	21.7
1958	1	0.0	0	0.0	0	0.0	1996	49	14.0	37	12.1	20	−28.6
1959	1	0.0	0	0.0	0	0.0	1997	57	16.3	41	10.8	28	40.0
1962	2	100.0	0	0.0	0	0.0	1998	49	−14,0	35	−14.6	42	50.0
1967	1	−50.0	0	0.0	0	0.0	1999	60	22.4	41	17.1	66	57.1
1968	1	0.0	0	0.0	0	0.0	2000	86	43.3	57	39.0	73	10.6
1969	1	0.0	0	0.0	0	0.0	2001	69	−19.8	50	−12.3	54	−26.0
1970	1	0.0	0	0.0	0	0.0	2002	87	26.1	88	76.0	60	11.1
1973	1	0.0	0	0.0	0	0.0	2003	131	50.6	115	30.7	109	81.7
1974	1	0.0	0	0.0	1	0.0	2004	111	−15.3	74	−35.7	80	−26.6
1975	3	200.0	0	0.0	1	0.0	2005	155	39.6	124	67.6	129	61.3
1976	0	−100.0	0	0.0	2	100.0	2006	181	16.8	117	−5.6	165	27.9
1977	3	0.0	0	0.0	0	−100,0	2007	234	29.3	153	30.8	185	12.1
1978	4	33.3	0	0.0	2	0.0	2008	224	−4.3	185	20.9	265	43.2
1979	2	−50.0	1	0.0	1	−50.0	2009	267	19.2	274	48.1	365	37.7
1980	6	200.0	5	400.0	3	200.0	2010	293	9.7	239	−12.8	374	2.5
1981	1	−83,3	0	−100.0	1	−66,7	2011	323	10.2	263	10.0	400	7.0
1982	4	300.0	0	0.0	4	300.0	2012	299	−7.4	314	19.4	444	11.0
1983	6	50.0	0	0.0	2	−50.0	2013	356	19.1	289	−8.0	473	6.5
1984	5	−16.7	2	0.0	0	−100.0	2014	375	5.3	320	10.7	455	−3.8
1985	9	80.0	2	0.0	5	0.0	2015	421	12.3	336	5.0	490	7.7
1986	10	11.1	2	0.0	6	20.0	2016	455	8.1	416	23.8	579	18.2
1987	10	0.0	2	0.0	6	0.0	2017	450	−1,1	324	−22.1	537	−7,3
1988	10	0.0	6	200.0	10	66.7	2018	509	13.1	433	33.6	608	13.2
1989	7	−30.0	6	0.0	6	−40.0	2019	542	6.5	471	8.8	681	12.0
1990	12	71.4	7	16.7	15	150.0	2020	575	6.1	606	28.7	748	9.8
1991	24	100.0	15	114.3	14	−6.7	2021	482	−16.2	472	−22.1	502	−32.9