Rank	Countries/Territories	Count	Percent
1	United States	314	36.4%
2	China	269	31.2%
3	Germany	97	11.3%
4	Korea, Republic of	31	3.6%
5	France	25	2.9%
6	Japan	20	2.3%
7	Singapore	16	1.9%
8	Switzerland	12	1.4%
9	Russia	11	1.3%
10	Netherlands	10	1.2%
11	India	9	1%
12	Australia	7	0.8%
13	Canada	4	0.5%
14	Cyprus	4	0.5%
15	Iran, Islamic Republic of	4	0.5%
16	Ukraine	4	0.5%
17	United Arab Emirates	2	0.2%
18	United Kingdom	2	0.2%
19	Nigeria	2	0.2%
20	Pakistan	2	0.2%
21	Spain	2	0.2%
22	Sweden	2	0.2%
23	Turkey	2	0.2%
24	Italy	2	0.2%
25	Indonesia	2	0.2%
26	Colombia	2	0.2%
27	Argentina	1	0.1%
28	Chile	1	0.1%
29	Brazil	1	0.1%
30	Latvia	1	0.1%
31	Taiwan	1	0.1%