Rank	Countries/Territories	Count	Percent
1	United States	643	36.3%
2	China	583	33%
3	Germany	155	8.8%
4	United Kingdom	78	4.4%
5	France	66	3.7%
6	Hungary	34	1.9%
7	Japan	33	1.9%
8	Hong Kong	21	1.2%
9	Singapore	19	1.1%
10	Sweden	13	0.7%
11	Netherlands	12	0.7%
12	India	12	0.7%
13	Korea, Republic of	11	0.6%
14	Australia	8	0.5%
15	Viet Nam	8	0.5%
16	Malaysia	6	0.3%
17	Ireland	6	0.3%
18	Switzerland	5	0.3%
19	Mongolia	5	0.3%
20		5	0.3%
21	Cyprus	5	0.3%
22	Canada	5	0.3%
23	Bulgaria	4	0.2%
24	Iran, Islamic Republic of	4	0.2%
25	Taiwan	4	0.2%
26	Ukraine	3	0.2%
27	Romania	3	0.2%
28	Finland	3	0.2%
29	Argentina	3	0.2%
30	Brazil	2	0.1%
31	Latvia	2	0.1%
32	Russia	2	0.1%
33	South Africa	2	0.1%
34	Norway	1	0.1%
35	Philippines	1	0.1%
36	Lithuania	1	0.1%
37	Indonesia	1	0.1%