Rank	Countries/Territories	Count	Percent
1	United States	591	41.1%
2	China	327	22.7%
3	Germany	131	9.1%
4	France	60	4.2%
5	Netherlands	31	2.2%
6	India	30	2.1%
7	Japan	26	1.8%
8	United Kingdom	26	1.8%
9	Canada	19	1.3%
10	Ireland	17	1.2%
11	Russia	13	0.9%
12	Singapore	12	0.8%
13	Iran, Islamic Republic of	12	0.8%
14	Denmark	12	0.8%
15	Korea, Republic of	11	0.8%
16	Spain	11	0.8%
17	Turkey	10	0.7%
18	South Africa	9	0.6%
19	Egypt	9	0.6%
20	Cyprus	8	0.6%
21	Australia	8	0.6%
22	Portugal	7	0.5%
23	Taiwan	7	0.5%
24	Hong Kong	5	0.3%
25	Hungary	4	0.3%
26	Romania	4	0.3%
27	Ukraine	4	0.3%
28	Sweden	4	0.3%
29	Argentina	3	0.2%
30	Belgium	3	0.2%
31	Chile	3	0.2%
32	Brazil	2	0.1%
33	Indonesia	2	0.1%
34	New Zealand	2	0.1%
35	Mexico	2	0.1%
36	Mongolia	2	0.1%
37	Switzerland	2	0.1%
38	Philippines	1	0.1%
39	Malaysia	1	0.1%
40	Italy	1	0.1%
41	Saudi Arabia	1	0.1%
42	Slovakia	1	0.1%
43	Bulgaria	1	0.1%
44	Bahrain	1	0.1%
45	Bangladesh	1	0.1%
46	Czech Republic	1	0.1%