Rank	Countries/Territories	Count	Percent
1	United States	503	45%
2	China	270	24.1%
3	Germany	95	8.5%
4	Japan	57	5.1%
5	India	30	2.7%
6		18	1.6%
7	Korea, Republic of	14	1.3%
8	Canada	13	1.2%
9	Netherlands	12	1.1%
10	Russia	10	0.9%
11	Iran, Islamic Republic of	9	0.8%
12	Greece	8	0.7%
13	Hong Kong	7	0.6%
14	Cyprus	7	0.6%
15	Taiwan	7	0.6%
16	Italy	6	0.5%
17	Spain	6	0.5%
18	Australia	5	0.4%
19	Ireland	5	0.4%
20	Belgium	4	0.4%
21	Colombia	4	0.4%
22	Congo	4	0.4%
23	Turkey	4	0.4%
24	United Arab Emirates	3	0.3%
25	United Kingdom	3	0.3%
26	France	3	0.3%
27	Israel	2	0.2%
28	Cambodia	2	0.2%
29	Ukraine	2	0.2%
30	Thailand	1	0.1%
31	Singapore	1	0.1%
32	Romania	1	0.1%
33	Mongolia	1	0.1%
34	Argentina	1	0.1%
35	Egypt	1	0.1%