Rank	Countries/Territories	Count	Percent
1	United States	491	38.4%
2	China	387	30.2%
3	Germany	114	8.9%
4	France	48	3.8%
5	Japan	47	3.7%
6	India	24	1.9%
7	Korea, Republic of	17	1.3%
8	Netherlands	13	1%
9	Switzerland	12	0.9%
10	United Kingdom	12	0.9%
11	Philippines	10	0.8%
12	Canada	10	0.8%
13		8	0.6%
14	Taiwan	8	0.6%
15	Norway	7	0.5%
16	Iran, Islamic Republic of	7	0.5%
17	Kuwait	6	0.5%
18	Spain	6	0.5%
19	Russia	5	0.4%
20	Singapore	4	0.3%
21	Italy	4	0.3%
22	Hong Kong	4	0.3%
23	Indonesia	3	0.2%
24	Chile	3	0.2%
25	Australia	3	0.2%
26	Turkey	3	0.2%
27	Latvia	2	0.2%
28	Mexico	2	0.2%
29	Ireland	2	0.2%
30	New Zealand	2	0.2%
31	Bangladesh	2	0.2%
32	Argentina	2	0.2%
33	Cyprus	2	0.2%
34	Czech Republic	2	0.2%
35	Greece	2	0.2%
36	Sweden	2	0.2%
37	Denmark	1	0.1%
38	Brazil	1	0.1%
39	Mongolia	1	0.1%
40	Ukraine	1	0.1%