Historical Statistics of the United States Millennial Edition Online

		Ba4946	Ba4947	Ba4948	Ba4949
		Elections held	Elections won by unions	Employees eligible to vote
		Total	In elections won by unions
Row	Fiscal year	Number	Number	Number	Number
1	1936	31	18	9,512	----
2	1937	265	214	181,424	----
3	1938	1,152	945	394,558	----
4	1939	746	574	207,597	----
5	1940	1,192	921	595,544	----

6	1941	2,568	2,127	729,915	----
7	1942	4,212	3,636	1,296,567	----
8	1943	4,153	3,580	1,126,501	----
9	1944	4,712	3,983	1,322,225	----
10	1945	4,919	4,078	1,087,177	----

11	1946	5,589	4,446	846,431	----
12	1947	6,920	5,194	934,553	----
13	1948	3,222	2,337	384,565	----
14	1949	5,514	3,889	588,761	----
15	1950	5,619	4,186	890,374	753,598

16	1951	6,432	4,758	666,556	505,322
17	1952	6,765	4,933	771,346	----
18	1953	6,050	4,350	737,998	584,450
19	1954	4,663	3,060	511,430	343,092
20	1955	4,215	2,489	515,995	378,962

21	1956	4,946	3,230	462,712	291,292
22	1957	4,729	2,942	458,904	264,920
23	1958	4,337	2,636	351,217	196,334
24	1959	5,428	3,410	430,023	257,028
25	1960	6,380	3,740	483,964	286,048

26	1961	6,354	3,563	450,930	229,283
27	1962	7,355	4,305	536,047	305,976
28	1963	6,871	4,052	489,365	265,747
29	1964	7,529	4,296	551,751	295,230
30	1965	7,776	4,680	544,536	333,545

31	1966	8,324	5,059	592,722	339,407
32	1967	8,116	4,791	623,711	357,114
33	1968	7,857	4,495	566,164	292,053
34	1969	7,993	4,367	592,761	299,979
35	1970	8,074	4,458	608,558	318,890

36	1971	8,362	4,445	586,155	274,700
37	1972	8,923	4,787	591,636	297,127
38	1973	9,369	4,786	541,445	233,874
39	1974	8,858	4,425	544,331	203,265
40	1975	8,577	4,138	568,920	218,281

41	1976	8,638	4,159	475,404	173,385
42	(TQ)	2,277	1,037	144,042	57,345
43	1977	9,484	4,363	570,716	223,689
44	1978	8,240	3,791	471,819	177,256
45	1979	8,043	3,623	577,942	212,027

46	1980	8,198	3,744	521,602	196,515
47	1981	7,512	3,234	449,243	165,232
48	1982	5,116	2,064	297,764	103,534
49	1983	4,405	1,895	209,918	91,311
50	1984	4,436	1,861	249,512	105,919

51	1985	4,614	1,956	254,220	91,161
52	1986	4,520	1,951	259,239	91,999
53	1987	4,069	1,788	241,825	96,384
54	1988	4,153	1,921	243,692	97,043
55	1989	4,413	2,059	273,775	110,037

56	1990	4,210	1,965	261,385	93,789
57	1991	3,752	1,663	225,842	90,051
58	1992	3,599	1,673	219,730	83,379
59	1993	3,586	1,706	231,187	97,166
60	1994	3,572	1,665	210,834	85,603

61	1995	3,399	1,611	215,137	86,678
62	1996	3,277	1,469	219,073	82,947
63	1997	3,480	1,677	236,016	101,646
64	1998	3,795	1,856	250,726	100,535