However, when you talk about the actual shipping data instead of considering the total sales, things are a little bit different. (phoneradar.com)
For natural gas and coal, transport and internal distribution costs are estimated on the basis of available shipping data. (iea.org)
Winter shutdowns in China do not appear to be harming Australian commodity exports, with shipping data from Port Hedland revealing record amounts of iron ore and lithium were exported in December. (afr.com)