Rank	Countries/Territories	Count	Percent
1	United States	280	40%
2	China	149	21.3%
3	Germany	106	15.1%
4	India	28	4%
5	Korea, Republic of	22	3.1%
6	Ireland	17	2.4%
7	Singapore	15	2.1%
8	Taiwan	14	2%
9	United Kingdom	10	1.4%
10	Turkey	6	0.9%
11	Netherlands	6	0.9%
12	Spain	5	0.7%
13	Japan	5	0.7%
14	Canada	4	0.6%
15	Iran, Islamic Republic of	3	0.4%
16	Romania	3	0.4%
17	Russia	3	0.4%
18	Viet Nam	3	0.4%
19	Syrian Arab Republic	2	0.3%
20	Mexico	2	0.3%
21	Italy	2	0.3%
22	Hong Kong	2	0.3%
23	Cyprus	2	0.3%
24	Egypt	2	0.3%
25	France	2	0.3%
26	Greece	1	0.1%
27	Colombia	1	0.1%
28	Argentina	1	0.1%
29	Australia	1	0.1%
30	Indonesia	1	0.1%
31	Switzerland	1	0.1%
32	Thailand	1	0.1%