. 2021 Jan 31;18(3):1281. doi: 10.3390/ijerph18031281
© 2021 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Figure 3.
Changes in prices during the last six months.