Table 8.

Analysis of the popularity of different conventional radionuclides by the top 20 countries with the highest number of relevant publications (2008–2018). Highlighted in grey are the two highest percentages for each conventional radionuclide.

Rank	Country	CRN (Contribution % per country)
		131I	90Y	177Lu	188Re	186Re	153Sm	89Sr	186Er
1	USA	22.21	24.72	17.99	18.25	15.66	14.68	21.73	6.52
2	Germany	5.88	9.86	14.63	9.05	9.39	5.73	5.73	23.91
3	China	10.22	3.85	1.79	11.70	2.92	3.67	4.99	0.00
4	Italy	5.01	7.65	7.51	5.15	6.52	6.46	4.11	6.52
5	United Kingdom	3.83	3.85	3.93	3.06	5.64	5.14	8.08	2.17
6	France	4.18	4.13	3.54	4.18	4.35	4.41	3.08	4.35
7	Nederland	2.91	3.61	7.34	2.79	5.22	2.64	2.50	4.35
8	Japan	5.47	2.04	0.79	1.11	3.13	1.76	8.32	0.00
9	India	2.87	2.52	0.00	5.29	2.71	4.55	4.85	17.39
10	Switzerland	1.40	2.88	4.41	1.81	2.09	1.91	1.32	0.00
11	Canada	1.81	1.76	3.28	2.65	1.67	2.50	3.08	0.00
12	Australia	1.47	2.68	3.32	1.25	2.71	1.76	1.17	0.00
13	Turkey	2.74	1.92	1.22	0.84	2.92	1.32	1.17	2.17
14	South Korea	3.02	1.40	1.31	2.92	0.84	0.44	0.44	0.00
15	Iran	1.51	1.32	2.31	2.51	2.30	7.49	1.32	0.00
16	Spain	1.86	2.80	1.00	0.00	4.38	1.91	2.06	4.35
17	Poland	1.86	2.36	1.83	1.67	1.46	2.06	0.73	2.17
18	Sweden	1.05	1.52	4.93	0.97	1.46	0.59	1.17	2.17
19	Belgium	1.46	2.12	1.62	1.67	2.30	1.47	1.47	2.17
20	Brazil	1.58	1.28	1.22	0.70	0.63	3.67	0.15	0.00