Rank	Countries/Territories	Count	Percent
1	United States	458	33.6%
2	China	438	32.1%
3	Germany	120	8.8%
4	France	38	2.8%
5	Japan	37	2.7%
6	United Kingdom	25	1.8%
7	Switzerland	25	1.8%
8	Taiwan	18	1.3%
9	Canada	18	1.3%
10	Netherlands	17	1.2%
11	Russia	16	1.2%
12	Italy	15	1.1%
13	India	14	1%
14	Iran, Islamic Republic of	11	0.8%
15	Korea, Republic of	10	0.7%
16	Spain	10	0.7%
17	Singapore	9	0.7%
18	Cyprus	9	0.7%
19	Australia	9	0.7%
20	Thailand	8	0.6%
21	Finland	6	0.4%
22	Hong Kong	6	0.4%
23	Ireland	5	0.4%
24	Greece	4	0.3%
25	Ukraine	4	0.3%
26	Brazil	3	0.2%
27	Portugal	3	0.2%
28	Romania	3	0.2%
29	Slovakia	2	0.1%
30	Poland	2	0.1%
31	Israel	2	0.1%
32	Malaysia	2	0.1%
33	Mexico	2	0.1%
34	Turkey	2	0.1%
35	Tunisia	1	0.1%
36	Sweden	1	0.1%
37	Syrian Arab Republic	1	0.1%
38	Mongolia	1	0.1%
39	Jordan	1	0.1%
40	Norway	1	0.1%
41	Philippines	1	0.1%
42	Argentina	1	0.1%
43	Belgium	1	0.1%
44	Czech Republic	1	0.1%
45	Georgia	1	0.1%
46	Hungary	1	0.1%
47	Indonesia	1	0.1%