Year | ACS | CPS-ASEC | NHIS | SIPP | ||||
Count | 95% CI | Count | 95% CI | Count | 95% CI | Count | 95% CI | |
2009 | 33 300 | 33 100 to 33 400 | 26 900 | 26 300 to 27 400 | 35 200 | 33 600 to 36 900 | 35 500 | 34 600 to 36 500 |
2010 | 33 400 | 33 300 to 33 600 | 26 700 | 26 200 to 27 300 | 36 300 | 34 800 to 37 700 | 35 200 | 34 400 to 36 000 |
2011 | 34 300 | 34 200 to 34 500 | 27 100 | 26 500 to 27 600 | 38 700 | 37 200 to 40 200 | 35 600 | 34 700 to 36 600 |
2012 | 34 600 | 34 400 to 34 700 | 27 700 | 27 100 to 28 300 | 38 300 | 36 900 to 39 800 | – | – |
2013 | 36 100 | 36 000 to 36 300 | 28 300 | 27 800 to 28 800 | 39 400 | 37 800 to 41 000 | – | – |
2014 | 36 600 | 36 500 to 36 800 | 28 400 | 27 700 to 29 100 | 40 200 | 38 600 to 41 800 | – | – |
ACS, American Community Survey; CPS-ASEC, Current Population Survey Annual Social and Economic Supplement; NHIS, National Health Interview Survey; SIPP, Survey of Income and Program Participation.