Rank	Countries/Territories	Count	Percent
1	United States	419	32%
2	China	405	30.9%
3	Germany	131	10%
4	Italy	29	2.2%
5	Taiwan	28	2.1%
6	Japan	27	2.1%
7	Canada	21	1.6%
8	Netherlands	20	1.5%
9	United Kingdom	20	1.5%
10	Hong Kong	16	1.2%
11	Romania	15	1.1%
12	Israel	13	1%
13	France	12	0.9%
14	Australia	12	0.9%
15	Turkey	12	0.9%
16	Brazil	10	0.8%
17	India	10	0.8%
18	Iran, Islamic Republic of	10	0.8%
19	Russia	10	0.8%
20	Singapore	9	0.7%
21	Belgium	9	0.7%
22	Malaysia	7	0.5%
23	Ukraine	6	0.5%
24	Spain	6	0.5%
25	Peru	6	0.5%
26	Cyprus	5	0.4%
27	Indonesia	5	0.4%
28	Mexico	4	0.3%
29	Ireland	4	0.3%
30	Greece	3	0.2%
31	Switzerland	3	0.2%
32	Thailand	3	0.2%
33	Sweden	2	0.2%
34	Viet Nam	2	0.2%
35	Kazakhstan	2	0.2%
36	Korea, Republic of	2	0.2%
37	New Zealand	2	0.2%
38	Saudi Arabia	2	0.2%
39	South Africa	1	0.1%
40	Norway	1	0.1%
41	Mongolia	1	0.1%
42	Iraq	1	0.1%
43	Georgia	1	0.1%
44	Iceland	1	0.1%
45	Egypt	1	0.1%
46	Estonia	1	0.1%