Rank	Countries/Territories	Count	Percent
1	United States	305	38.9%
2	China	240	30.6%
3	Germany	90	11.5%
4	Japan	22	2.8%
5	France	19	2.4%
6	India	17	2.2%
7	Korea, Republic of	12	1.5%
8	Singapore	11	1.4%
9	Czech Republic	10	1.3%
10	United Kingdom	9	1.1%
11	Netherlands	7	0.9%
12	Australia	6	0.8%
13	Iran, Islamic Republic of	4	0.5%
14	Russia	3	0.4%
15	Argentina	3	0.4%
16	Cyprus	3	0.4%
17	Hungary	3	0.4%
18	Mexico	2	0.3%
19	Canada	2	0.3%
20	Taiwan	2	0.3%
21	Thailand	2	0.3%
22	Pakistan	2	0.3%
23	Spain	2	0.3%
24	Sweden	1	0.1%
25	Switzerland	1	0.1%
26	Ireland	1	0.1%
27	Turkey	1	0.1%
28	Ukraine	1	0.1%
29	Brazil	1	0.1%
30	Finland	1	0.1%
31	Mongolia	1	0.1%
32	Georgia	1	0.1%