Sample Sizes by Region and Fiscal Year

The NAWSPAD map with the six regions:

Table 1. NAWSPAD Regions and States

Table 1. NAWSPAD Regions and the States
Region No.	Region Name	States Represented
1	EAST	North Carolina, Virginia, Kentucky, Tennessee, West Virginia, Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont, Delaware, Maryland, New Jersey, Pennsylvania
2	SOUTHEAST	Arkansas, Louisiana, Mississippi, Alabama, Georgia, South Carolina, Florida
3	MIDWEST	Illinois, Indiana, Ohio, Iowa, Missouri, Kansas, Nebraska, North Dakota, South Dakota, Michigan, Minnesota, Wisconsin
4	SOUTHWEST	Arizona, New Mexico, Oklahoma, Texas
5	NORTHWEST	Idaho, Montana, Wyoming, Colorado, Nevada, Utah, Oregon, Washington
6	CALIFORNIA	California

Table 2. Number of Interviews by Fiscal Year and Region

Table 2. Number of Interviews by Fiscal Year and Region, 1989-2016
Fiscal Year	Region 1 East	Region 2 Southeast	Region 3 Midwest	Region 4 Southwest	Region 5 Northwest	Region 6 California	Total
1989	311	504	322	269	324	796	2,526
1990	149	571	58	300	230	810	2,118
1991	149	731	88	321	279	1,032	2,600
1992	147	552	87	235	201	674	1,896
1993	423	351	442	248	265	664	2,393
1994	478	320	454	221	290	611	2,374
1995	347	306	411	237	354	708	2,363
1996	264	371	306	242	277	591	2,051
1997	338	397	257	242	264	602	2,100
1998	319	428	262	236	262	592	2,099
1999	569	487	546	239	489	1,282	3,612
2000	383	603	440	223	528	1,409	3,586
2001	414	548	393	177	417	1,162	3,111
2002	445	585	478	224	431	1,198	3,361
2003	464	616	499	266	477	1,263	3,585
2004	413	519	455	171	407	1,081	3,046
2005	314	337	374	118	314	770	2,227
2006	176	300	196	116	196	535	1,519
2007	197	294	176	100	193	551	1,511
2008	316	407	211	142	265	841	2,182
2009	276	392	231	162	337	821	2,219
2010	202	299	126	109	192	544	1,472
2011	181	146	175	114	315	589	1,520
2012	205	174	218	105	209	594	1,505
2013	194	152	213	116	199	538	1,412
2014	331	426	325	164	476	1,101	2,823
2015	411	392	364	232	397	1,038	2,834
2016	293	312	174	215	398	1,116	2,508
2017	150	148	100	127	207	506	1,238
2018	157	130	159	95	213	594	1,348
2019	173	150	114	84	204	328	1,053
2020	117	95	84	78	168	577	1,119
2021	111	74	106	80	250	578	1,119
2022	150	134	98	119	2668	632	1,399
Total	9,567	12,251	8,942	6,127	10,297	26,728	73,909