Rank	Countries/Territories	Count	Percent
1	United States	331	36.4%
2	China	172	18.9%
3	Germany	101	11.1%
4	India	38	4.2%
5	Czech Republic	28	3.1%
6	France	21	2.3%
7	Netherlands	17	1.9%
8	Russia	16	1.8%
9	Australia	14	1.5%
10	Korea, Republic of	11	1.2%
11	Japan	11	1.2%
12	Romania	10	1.1%
13	Malaysia	9	1%
14	Egypt	9	1%
15	Singapore	8	0.9%
16	United Kingdom	7	0.8%
17	Indonesia	7	0.8%
18	Iran, Islamic Republic of	6	0.7%
19	Brazil	6	0.7%
20	Canada	6	0.7%
21	Thailand	6	0.7%
22	Turkey	5	0.5%
23	Greece	5	0.5%
24	Italy	5	0.5%
25	Oman	4	0.4%
26	Hong Kong	4	0.4%
27	Colombia	4	0.4%
28	Cote D'ivoire	4	0.4%
29	Taiwan	4	0.4%
30	Switzerland	3	0.3%
31	Saudi Arabia	3	0.3%
32	Poland	3	0.3%
33	Cyprus	3	0.3%
34	Israel	3	0.3%
35	New Zealand	2	0.2%
36	Nigeria	2	0.2%
37	Kuwait	2	0.2%
38	Lebanon	2	0.2%
39	Belgium	2	0.2%
40	Argentina	2	0.2%
41	Mexico	2	0.2%
42	Portugal	1	0.1%
43	Serbia	1	0.1%
44	South Africa	1	0.1%
45	Sweden	1	0.1%
46	Ukraine	1	0.1%
47	Armenia	1	0.1%
48	Croatia	1	0.1%
49	Bulgaria	1	0.1%
50	Ethiopia	1	0.1%
51	Mauritius	1	0.1%
52	Philippines	1	0.1%
53	Jordan	1	0.1%