LI chemical supply shortfall, page-24

“Demand rose in 2018, surprised us again by surpassing 27 percent and is expected to grow at rates above 20 percent in 2019,” he said.
As a result of strong demand growth, average prices in 2018 were significantly higher than prices reported in 2017; as anticipated, prices in the fourth quarter also remained strong. We believe lithium demand could grow at least 20% in 2019
https://www.prnewswire.com/news-releases/sqm-reports-earnings-for-the-twelve-months-ended-december-31-2018-300803847.html
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I don't remember any analysts forecasting 27% growth in demand in 2018
Seems there is not enough supply, as prices in 2018 were significantly higher than in 2017.