Rank	Countries/Territories	Count	Percent
1	United States	248	41.5%
2	China	152	25.5%
3	Germany	59	9.9%
4	Japan	33	5.5%
5	France	19	3.2%
6	Syrian Arab Republic	15	2.5%
7	Norway	7	1.2%
8	Ireland	7	1.2%
9	Korea, Republic of	6	1%
10	Netherlands	5	0.8%
11	Singapore	5	0.8%
12	Canada	5	0.8%
13	Taiwan	3	0.5%
14	North Macedonia	3	0.5%
15	Iran, Islamic Republic of	3	0.5%
16	Morocco	3	0.5%
17	Malaysia	2	0.3%
18	Mongolia	2	0.3%
19	Russia	2	0.3%
20	Ukraine	2	0.3%
21	Chile	2	0.3%
22	Brazil	2	0.3%
23	Cyprus	2	0.3%
24	Israel	2	0.3%
25	Hong Kong	2	0.3%
26	India	1	0.2%
27	Indonesia	1	0.2%
28	Italy	1	0.2%
29	Jordan	1	0.2%
30	Argentina	1	0.2%
31	Australia	1	0.2%