Rank	Countries/Territories	Count	Percent
1	United States	163	33.7%
2	China	103	21.3%
3	Germany	68	14%
4	Japan	17	3.5%
5	Canada	15	3.1%
6	India	14	2.9%
7	Singapore	11	2.3%
8	Netherlands	10	2.1%
9	Ireland	8	1.7%
10	Viet Nam	8	1.7%
11	United Kingdom	6	1.2%
12	Korea, Republic of	6	1.2%
13	Poland	6	1.2%
14	Russia	4	0.8%
15	Malaysia	4	0.8%
16	Norway	3	0.6%
17	Australia	3	0.6%
18	Austria	3	0.6%
19	Albania	2	0.4%
20	Cyprus	2	0.4%
21	France	2	0.4%
22	Kenya	2	0.4%
23	Indonesia	2	0.4%
24	Iran, Islamic Republic of	2	0.4%
25	Greece	2	0.4%
26	Philippines	2	0.4%
27	Morocco	2	0.4%
28	Slovakia	2	0.4%
29	South Africa	2	0.4%
30	Sri Lanka	2	0.4%
31	Sweden	2	0.4%
32	Thailand	1	0.2%
33	Turkey	1	0.2%
34	Ukraine	1	0.2%
35	Nigeria	1	0.2%
36	Italy	1	0.2%
37	Croatia	1	0.2%