The data displays the OTC (over-the-counter) revenue of sleeping aids in the U.S. from 2011 to 2017. In 2013, OTC revenue of sleeping aids in the U.S. reached around 402 million USD.
2011 | 217 |
2012 | 319 |
2013 | 402 |
2014 | 419 |
2015 | 428 |
2016 | 428 |
2017 | 416 |