Rank	Countries/Territories	Count	Percent
1	United States	630	43.1%
2	China	442	30.2%
3	Germany	96	6.6%
4	Japan	79	5.4%
5	Russia	42	2.9%
6	India	27	1.8%
7		26	1.8%
8	Netherlands	17	1.2%
9	Singapore	14	1%
10	United Kingdom	11	0.8%
11	Ireland	11	0.8%
12	Hong Kong	11	0.8%
13	France	7	0.5%
14	Australia	7	0.5%
15	Ukraine	5	0.3%
16	Argentina	4	0.3%
17	Brazil	3	0.2%
18	Canada	3	0.2%
19	Iran, Islamic Republic of	3	0.2%
20	Sweden	3	0.2%
21	Taiwan	3	0.2%
22	Thailand	3	0.2%
23	Lithuania	2	0.1%
24	Ecuador	2	0.1%
25	Bangladesh	2	0.1%
26	Cyprus	1	0.1%
27	Czech Republic	1	0.1%
28	Denmark	1	0.1%
29	Mongolia	1	0.1%
30	Korea, Republic of	1	0.1%
31	Saudi Arabia	1	0.1%
32	Slovenia	1	0.1%
33	Spain	1	0.1%
34	United Arab Emirates	1	0.1%