Rank	Countries/Territories	Count	Percent
1	United States	429	37.2%
2	China	360	31.2%
3	Germany	180	15.6%
4	Japan	47	4.1%
5	Canada	14	1.2%
6	Norway	14	1.2%
7	India	13	1.1%
8	Korea, Republic of	11	1%
9	Netherlands	11	1%
10	Singapore	9	0.8%
11	Cyprus	9	0.8%
12	Thailand	6	0.5%
13	Spain	5	0.4%
14	Australia	5	0.4%
15	France	4	0.3%
16	Malaysia	4	0.3%
17	Italy	4	0.3%
18	Ireland	3	0.3%
19		3	0.3%
20	Argentina	3	0.3%
21	Hungary	2	0.2%
22	United Kingdom	2	0.2%
23	South Africa	2	0.2%
24	Russia	2	0.2%
25	Saudi Arabia	2	0.2%
26	Romania	1	0.1%
27	Slovakia	1	0.1%
28	Viet Nam	1	0.1%
29	Switzerland	1	0.1%
30	Ukraine	1	0.1%
31	Mexico	1	0.1%
32	Mongolia	1	0.1%
33	Lithuania	1	0.1%
34	Hong Kong	1	0.1%