Rank	Countries/Territories	Count	Percent
1	United States	287	41.8%
2	China	126	18.3%
3	Germany	62	9%
4	Japan	60	8.7%
5	Canada	19	2.8%
6	France	13	1.9%
7	India	12	1.7%
8	Switzerland	11	1.6%
9	Netherlands	10	1.5%
10	Korea, Republic of	10	1.5%
11	Singapore	9	1.3%
12	Spain	7	1%
13	Russia	6	0.9%
14	United Kingdom	6	0.9%
15	Mexico	5	0.7%
16	Thailand	4	0.6%
17	Australia	4	0.6%
18	Colombia	3	0.4%
19	Cyprus	3	0.4%
20	Israel	3	0.4%
21	Ghana	3	0.4%
22	Taiwan	3	0.4%
23	Romania	3	0.4%
24	Portugal	2	0.3%
25	Ireland	2	0.3%
26	Italy	2	0.3%
27	Denmark	2	0.3%
28	Costa Rica	2	0.3%
29	Argentina	2	0.3%
30	Bulgaria	1	0.1%
31	Malaysia	1	0.1%
32	Greece	1	0.1%
33	Philippines	1	0.1%
34	Turkey	1	0.1%
35	Ukraine	1	0.1%