Rank	Countries/Territories	Count	Percent
1	United States	326	38.1%
2	China	240	28.1%
3	Germany	74	8.7%
4	Korea, Republic of	41	4.8%
5	France	24	2.8%
6	Netherlands	21	2.5%
7	United Kingdom	16	1.9%
8	Canada	16	1.9%
9	Japan	15	1.8%
10	Sweden	12	1.4%
11	Cyprus	9	1.1%
12	India	9	1.1%
13	Iran, Islamic Republic of	8	0.9%
14	Belgium	8	0.9%
15	Singapore	7	0.8%
16	Brazil	4	0.5%
17	Australia	3	0.4%
18	South Africa	3	0.4%
19	Portugal	3	0.4%
20	Spain	2	0.2%
21	Austria	2	0.2%
22	Denmark	2	0.2%
23	Hong Kong	2	0.2%
24	Italy	2	0.2%
25	Mongolia	1	0.1%
26	Ireland	1	0.1%
27	Argentina	1	0.1%
28	Russia	1	0.1%
29	Switzerland	1	0.1%
30	Ukraine	1	0.1%