Rank	Countries/Territories	Count	Percent
1	United States	234	31%
2	China	202	26.8%
3	Germany	50	6.6%
4	Netherlands	30	4%
5	Japan	28	3.7%
6	France	17	2.3%
7	Iran, Islamic Republic of	16	2.1%
8	Bulgaria	15	2%
9	Greece	12	1.6%
10	Sweden	12	1.6%
11	Kenya	11	1.5%
12	Russia	10	1.3%
13	Singapore	8	1.1%
14	Korea, Republic of	8	1.1%
15	Hong Kong	8	1.1%
16	Canada	7	0.9%
17	Spain	7	0.9%
18	Portugal	6	0.8%
19	Ecuador	6	0.8%
20	United Kingdom	6	0.8%
21	Cyprus	5	0.7%
22	Nigeria	5	0.7%
23	Colombia	4	0.5%
24	Australia	4	0.5%
25	Ireland	4	0.5%
26	India	3	0.4%
27	Chile	3	0.4%
28	Argentina	3	0.4%
29	Lithuania	3	0.4%
30	Poland	3	0.4%
31	Slovakia	3	0.4%
32	Turkey	3	0.4%
33	Uganda	3	0.4%
34	Ukraine	2	0.3%
35	United Arab Emirates	2	0.3%
36	Philippines	2	0.3%
37	Taiwan	2	0.3%
38	Viet Nam	2	0.3%
39	Romania	1	0.1%
40	Mexico	1	0.1%
41	Brazil	1	0.1%
42	Indonesia	1	0.1%
43	Israel	1	0.1%