Rank	Countries/Territories	Count	Percent
1	United States	277	33.4%
2	China	185	22.3%
3	Germany	76	9.2%
4	Japan	27	3.3%
5	Netherlands	26	3.1%
6	France	25	3%
7	Sweden	22	2.7%
8	Singapore	21	2.5%
9	Russia	17	2%
10	Korea, Republic of	15	1.8%
11	India	15	1.8%
12	Taiwan	12	1.4%
13	Turkey	11	1.3%
14	Ireland	9	1.1%
15	Greece	8	1%
16	Hong Kong	8	1%
17	Palestine, State of	8	1%
18	Canada	7	0.8%
19	Australia	6	0.7%
20	Brazil	5	0.6%
21	Cyprus	5	0.6%
22	Denmark	5	0.6%
23	United Kingdom	5	0.6%
24	Italy	4	0.5%
25	Kenya	4	0.5%
26	Mexico	3	0.4%
27	Austria	3	0.4%
28	Belgium	3	0.4%
29	Croatia	2	0.2%
30	Israel	2	0.2%
31	Ukraine	2	0.2%
32	Thailand	2	0.2%
33	New Zealand	2	0.2%
34	Viet Nam	2	0.2%
35	Norway	1	0.1%
36	Mauritius	1	0.1%
37	Slovakia	1	0.1%
38	Indonesia	1	0.1%
39	Iran, Islamic Republic of	1	0.1%
40	Bosnia and Herzegovina	1	0.1%