Rank	Countries/Territories	Count	Percent
1	United States	556	35.6%
2	China	531	34%
3	Germany	127	8.1%
4	Canada	83	5.3%
5	Japan	67	4.3%
6	France	23	1.5%
7	Netherlands	20	1.3%
8	Korea, Republic of	17	1.1%
9	United Kingdom	12	0.8%
10	Brazil	11	0.7%
11	India	10	0.6%
12	Italy	10	0.6%
13	Hong Kong	9	0.6%
14	Ireland	9	0.6%
15	Belgium	8	0.5%
16	Singapore	8	0.5%
17	Sweden	8	0.5%
18	Taiwan	6	0.4%
19	Australia	6	0.4%
20	Poland	5	0.3%
21	Romania	5	0.3%
22	South Africa	4	0.3%
23	Cyprus	4	0.3%
24	Indonesia	4	0.3%
25	Iran, Islamic Republic of	3	0.2%
26	Mexico	3	0.2%
27	Ukraine	3	0.2%
28	Norway	2	0.1%
29	Thailand	1	0.1%
30	New Zealand	1	0.1%
31	Russia	1	0.1%
32	Malaysia	1	0.1%
33	Argentina	1	0.1%
34	Bulgaria	1	0.1%