Rank	Countries/Territories	Count	Percent
1	United States	369	39.3%
2	China	224	23.9%
3	Germany	124	13.2%
4	India	32	3.4%
5	Serbia	31	3.3%
6	France	23	2.5%
7	Qatar	22	2.3%
8	Japan	16	1.7%
9	Korea, Republic of	14	1.5%
10	United Kingdom	8	0.9%
11	Viet Nam	7	0.7%
12	Netherlands	7	0.7%
13	Singapore	6	0.6%
14	Hong Kong	6	0.6%
15	Bosnia and Herzegovina	6	0.6%
16	Cyprus	5	0.5%
17	Ireland	4	0.4%
18	Spain	4	0.4%
19	Russia	3	0.3%
20	Taiwan	3	0.3%
21	Egypt	3	0.3%
22	Canada	2	0.2%
23	Colombia	2	0.2%
24	Italy	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Malaysia	2	0.2%
27	Mexico	2	0.2%
28	Switzerland	2	0.2%
29	Poland	2	0.2%
30	Nigeria	1	0.1%
31	Philippines	1	0.1%
32	Sweden	1	0.1%
33	Turkey	1	0.1%
34	Mongolia	1	0.1%