Shapefile of soil fertility map of Upscale countries

We have calculated soil fertility calss (Excellent, Good, Marginal, Poor) of Ethiopia, Kenya, Uganda, Tanzania, Rwanda based on soil types from Soil Atlas of Africa (https://esdac.jrc.ec.europa.eu/content/soil-map-soil-atlas-africa, Dewitte, O., Jones, A., Spaargaren, O., Breuning-Madsen, H., Brossard, M., Dampha, A., Deckers, J., Gallali, T., Hallett, S., Jones, R., Kilasara, M., Le Roux, P., Michaeli, E., Montanarella, L., Thiombiano, L., Van Ranst, E., Yemefack, M., Zougmore, R., 2013. Harmonisation of the soil map of Africa at the continental scale. Geoderma, 211-212, 138-153)