Rank	Countries/Territories	Count	Percent
1	United States	481	34.4%
2	China	459	32.8%
3	Germany	182	13%
4	Japan	88	6.3%
5	France	44	3.1%
6	Netherlands	15	1.1%
7	Korea, Republic of	13	0.9%
8	Canada	13	0.9%
9	India	11	0.8%
10	Hong Kong	10	0.7%
11	United Kingdom	10	0.7%
12	Russia	8	0.6%
13	Singapore	8	0.6%
14	Australia	7	0.5%
15	Ireland	7	0.5%
16	Latvia	5	0.4%
17	Cyprus	5	0.4%
18	Turkey	5	0.4%
19	Taiwan	4	0.3%
20	Ukraine	3	0.2%
21	Spain	3	0.2%
22	Iran, Islamic Republic of	3	0.2%
23	Italy	2	0.1%
24	Colombia	2	0.1%
25	New Zealand	2	0.1%
26	Mexico	2	0.1%
27	Mongolia	1	0.1%
28	Sweden	1	0.1%
29	Switzerland	1	0.1%
30	Saudi Arabia	1	0.1%
31	Argentina	1	0.1%
32	Lithuania	1	0.1%
33	Mauritius	1	0.1%