Rank	Countries/Territories	Count	Percent
1	United States	443	32.9%
2	China	427	31.7%
3	Germany	148	11%
4	Japan	50	3.7%
5	India	41	3%
6	Korea, Republic of	30	2.2%
7	Ireland	23	1.7%
8		23	1.7%
9	Canada	13	1%
10	Netherlands	13	1%
11	United Kingdom	13	1%
12	Taiwan	12	0.9%
13	Iran, Islamic Republic of	11	0.8%
14	Chile	10	0.7%
15	Luxembourg	9	0.7%
16	Turkey	7	0.5%
17	Brazil	6	0.4%
18	France	5	0.4%
19	Greece	5	0.4%
20	Cyprus	5	0.4%
21	Romania	5	0.4%
22	Spain	4	0.3%
23	Sweden	4	0.3%
24	Thailand	3	0.2%
25	Russia	3	0.2%
26	Serbia	3	0.2%
27	Pakistan	3	0.2%
28	Argentina	3	0.2%
29	Australia	2	0.1%
30	Denmark	2	0.1%
31	Croatia	2	0.1%
32	Hong Kong	2	0.1%
33	Italy	2	0.1%
34	Portugal	2	0.1%
35	New Zealand	2	0.1%
36	Singapore	2	0.1%
37	Viet Nam	2	0.1%
38	Uruguay	1	0.1%
39	Ukraine	1	0.1%
40	Slovakia	1	0.1%
41	Slovenia	1	0.1%
42	Nigeria	1	0.1%
43	Mongolia	1	0.1%
44	Indonesia	1	0.1%