Rank	Countries/Territories	Count	Percent
1	United States	431	40.9%
2	China	349	33.1%
3	Germany	102	9.7%
4	Japan	33	3.1%
5	France	24	2.3%
6	Korea, Republic of	20	1.9%
7	Netherlands	12	1.1%
8	Singapore	11	1%
9	Cyprus	11	1%
10	Ireland	8	0.8%
11	Switzerland	8	0.8%
12	India	6	0.6%
13	Australia	5	0.5%
14	Sweden	4	0.4%
15	Turkey	3	0.3%
16	Argentina	3	0.3%
17	Iran, Islamic Republic of	3	0.3%
18	Italy	2	0.2%
19	Hong Kong	2	0.2%
20	Belgium	2	0.2%
21	Egypt	2	0.2%
22	Ukraine	2	0.2%
23	United Kingdom	2	0.2%
24	Taiwan	2	0.2%
25	Russia	2	0.2%
26	Thailand	1	0.1%
27	New Zealand	1	0.1%
28	Philippines	1	0.1%
29	Canada	1	0.1%
30	Lithuania	1	0.1%
31	Mongolia	1	0.1%