An interesting infographic by Dr. Maria Leonor Ramos shows the percentage of possible thromboembolic events due to AstraZeneca vaccine compared to other factors, including the incidence of COVID-19 itself. The results were taken from a publication that appeared in Radiology.
https://pubs.rsna.org/doi/10.1148/radiol.2020203557
https://twitter.com/RPLANNW/status/1381607429432086528/photo/1