Table 2.
Seasonal variation of AA, AT, and AU
| Winter | Spring | Summer | Autumn | |
|---|---|---|---|---|
| AA, % | 30.7 | 26.4 | 20.2 | 22.7 |
| AT, % | 32.1 | 28.4 | 24.7 | 14.8 |
| AU, % | 27.4 | 29.2 | 23.8 | 19.6 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.