Sample Sizes by Region and Fiscal Year

The NAWSPAD includes six analysis regions.

Table 1 lists the NAWSPAD regions and the states in each region. Table 2 shows the number of interviews by fiscal year and region.

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, 1989-2014
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
Total 8,005 10,816 7,743 5,097 8,191 21,359 61,211

Updated: August 01, 2017