An official website of the United States government
| include graphs include annual averages | ||||||
Data extracted on: May 19, 2020 (5:42:51 PM)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | 22491 | 22476 | 22518 | 22569 | 22996 | 22740 | 22569 | 22420 | 22247 | 22297 | 22287 | 22266 | |
| 2011 | 22258 | 22215 | 22192 | 22184 | 22129 | 22164 | 22049 | 22017 | 21983 | 21998 | 21971 | 21954 | |
| 2012 | 21946 | 21947 | 21943 | 21931 | 21911 | 21930 | 21913 | 21916 | 21925 | 21903 | 21883 | 21887 | |
| 2013 | 21869 | 21881 | 21870 | 21869 | 21864 | 21840 | 21815 | 21831 | 21835 | 21830 | 21843 | 21820 | |
| 2014 | 21814 | 21825 | 21833 | 21853 | 21832 | 21895 | 21901 | 21855 | 21897 | 21917 | 21932 | 21947 | |
| 2015 | 21960 | 21978 | 21970 | 22005 | 22012 | 22015 | 22050 | 22060 | 22040 | 22056 | 22081 | 22097 | |
| 2016 | 22118 | 22144 | 22180 | 22186 | 22197 | 22184 | 22285 | 22268 | 22303 | 22292 | 22290 | 22308 | |
| 2017 | 22302 | 22319 | 22325 | 22330 | 22332 | 22346 | 22359 | 22357 | 22366 | 22369 | 22393 | 22381 | |
| 2018 | 22355 | 22406 | 22404 | 22414 | 22431 | 22459 | 22462 | 22490 | 22489 | 22485 | 22486 | 22495 | |
| 2019 | 22506 | 22513 | 22528 | 22553 | 22551 | 22553 | 22587 | 22637 | 22650 | 22645 | 22659 | 22679 | |
| 2020 | 22714 | 22745 | 22717(P) | 21737(P) | |||||||||
| P : preliminary | |||||||||||||