Rank	Countries/Territories	Count	Percent
1	United States	301	45.1%
2	China	165	24.7%
3	Germany	38	5.7%
4	Taiwan	25	3.7%
5	Japan	14	2.1%
6	Australia	13	1.9%
7	Netherlands	12	1.8%
8	India	10	1.5%
9	Bulgaria	9	1.3%
10	Canada	8	1.2%
11	France	7	1%
12	Ireland	6	0.9%
13	Jordan	5	0.7%
14	Cyprus	5	0.7%
15	Singapore	5	0.7%
16	Thailand	4	0.6%
17	United Kingdom	4	0.6%
18	Iran, Islamic Republic of	4	0.6%
19	Czech Republic	3	0.4%
20	Egypt	3	0.4%
21	Turkey	3	0.4%
22	Ukraine	2	0.3%
23	Libya	2	0.3%
24	Viet Nam	2	0.3%
25	North Macedonia	2	0.3%
26	Norway	2	0.3%
27	Philippines	2	0.3%
28	Italy	2	0.3%
29	Lebanon	1	0.1%
30	Nigeria	1	0.1%
31	Ecuador	1	0.1%
32	Poland	1	0.1%
33	Qatar	1	0.1%
34	Romania	1	0.1%
35	Russia	1	0.1%
36	Slovakia	1	0.1%
37	Spain	1	0.1%
38	Sweden	1	0.1%