Rank	Countries/Territories	Count	Percent
1	United States	304	41.7%
2	China	171	23.5%
3	Germany	60	8.2%
4	Japan	40	5.5%
5	India	18	2.5%
6	Korea, Republic of	16	2.2%
7	Mexico	16	2.2%
8	Singapore	11	1.5%
9	Spain	11	1.5%
10	Australia	10	1.4%
11	Netherlands	9	1.2%
12	France	8	1.1%
13	Ireland	8	1.1%
14	Taiwan	8	1.1%
15	Ukraine	7	1%
16	Canada	7	1%
17		3	0.4%
18	Indonesia	3	0.4%
19	United Kingdom	3	0.4%
20	Romania	3	0.4%
21	Serbia	2	0.3%
22	Bulgaria	2	0.3%
23	Cyprus	2	0.3%
24	Egypt	2	0.3%
25	New Zealand	1	0.1%
26	Philippines	1	0.1%
27	Iran, Islamic Republic of	1	0.1%
28	Saudi Arabia	1	0.1%
29	Jordan	1	0.1%