Rank	Countries/Territories	Count	Percent
1	United States	335	38.4%
2	China	230	26.3%
3	Germany	86	9.9%
4	Japan	20	2.3%
5	United Kingdom	19	2.2%
6	Greece	19	2.2%
7	Italy	15	1.7%
8	Hong Kong	14	1.6%
9	Netherlands	13	1.5%
10	Singapore	12	1.4%
11	Korea, Republic of	11	1.3%
12	Iran, Islamic Republic of	11	1.3%
13	Canada	10	1.1%
14	Russia	10	1.1%
15	Taiwan	9	1%
16	France	8	0.9%
17	Ireland	7	0.8%
18	Israel	6	0.7%
19	India	6	0.7%
20	Brazil	6	0.7%
21	Cyprus	4	0.5%
22	Australia	4	0.5%
23	Turkey	2	0.2%
24	South Africa	2	0.2%
25	Spain	2	0.2%
26	Sweden	2	0.2%
27	Switzerland	2	0.2%
28	Portugal	1	0.1%
29	United Arab Emirates	1	0.1%
30	Thailand	1	0.1%
31	Tunisia	1	0.1%
32	Bangladesh	1	0.1%
33	Algeria	1	0.1%
34	Argentina	1	0.1%
35	Ecuador	1	0.1%