eTable 1. Age specific incidence and number of cases of ampullary carcinoma.

Study period	Age specific incidence rates			Incidence of case numbers
	Men	Women	Total	Men	Women	Total
2010	0.77	0.53	0.64	455	397	852
2011	0.82	0.50	0.64	481	406	887
2012	0.81	0.50	0.63	479	366	845
2013	0.91	0.51	0.69	546	397	943
2014	0.86	0.50	0.66	528	393	921
2015	0.85	0.53	0.68	530	438	968
2016	0.76	0.46	0.60	497	388	885
2017	0.81	0.50	0.64	531	411	942
2018	0.78	0.52	0.64	513	429	942
2019	0.80	0.51	0.64	530	398	928
2015–2019	0.80	0.51	0.64	2601	2064	4665
2017–2019	0.80	0.51	0.64	1574	1238	2812

Source: Incidence data were reported by the center for cancer registry data at the Robert Koch-Institute (RKI)