Rank	Countries/Territories	Count	Percent
1	United States	383	38.5%
2	China	268	26.9%
3	Germany	98	9.8%
4	Japan	41	4.1%
5	France	39	3.9%
6	India	24	2.4%
7	Korea, Republic of	17	1.7%
8	Netherlands	12	1.2%
9	Switzerland	12	1.2%
10	Philippines	10	1%
11	Canada	9	0.9%
12	Taiwan	8	0.8%
13	United Kingdom	7	0.7%
14	Norway	7	0.7%
15	Iran, Islamic Republic of	7	0.7%
16	Kuwait	6	0.6%
17	Russia	5	0.5%
18	Hong Kong	4	0.4%
19	Spain	4	0.4%
20	Turkey	3	0.3%
21	Indonesia	3	0.3%
22	Chile	3	0.3%
23	Argentina	2	0.2%
24	Cyprus	2	0.2%
25	Czech Republic	2	0.2%
26	Ireland	2	0.2%
27	Italy	2	0.2%
28	Bangladesh	2	0.2%
29	Greece	2	0.2%
30	Sweden	2	0.2%
31	Singapore	2	0.2%
32	Latvia	2	0.2%
33	Mexico	2	0.2%
34	Mongolia	1	0.1%
35	Ukraine	1	0.1%
36	Denmark	1	0.1%
37	Australia	1	0.1%