Publication Years	records	% of 128560
2019	3885	3.022
2018	11029	8.579
2017	9429	7.334
2016	7394	5.751
2015	5972	4.645
2014	5228	4.067
2013	4739	3.686
2012	4573	3.557
2011	4357	3.389
2010	4273	3.324
2009	5747	4.470
2008	5327	4.144
2007	4971	3.867
2006	4876	3.793
2005	4223	3.285
2004	3568	2.775
2003	3342	2.600
2002	3104	2.414
2001	2826	2.198
2000	3044	2.368
1999	2337	1.818
1998	3284	2.554
1997	3132	2.436
1996	3024	2.352
1995	2923	2.274
1994	2820	2.194
1993	2826	2.198
1992	1982	1.542
1991	1912	1.487
1990	1417	1.102
1989	543	0.422
1988	155	0.121
1987	86	0.067
1986	37	0.029
1985	18	0.014
1984	13	0.010
1983	10	0.008
1982	10	0.008
1981	4	0.003
1980	15	0.012
1979	12	0.009
1978	9	0.007
1977	3	0.002
1976	9	0.007
1975	12	0.009
1974	7	0.005
1973	8	0.006
1972	4	0.003
1971	8	0.006
1970	2	0.002
1969	1	0.001
1968	2	0.002
1967	3	0.002
1966	16	0.012
1965	3	0.002
1963	1	0.001
1962	3	0.002
1960	1	0.001
1956	1	0.001
(0 Publication Years value(s) outside display options.)
(0 records (0.000%) do not contain data in the field being analyzed.)