Rank	Countries/Territories	Count	Percent
1	United States	271	39.7%
2	China	118	17.3%
3	Germany	95	13.9%
4	Japan	31	4.5%
5	Belgium	16	2.3%
6	United Kingdom	15	2.2%
7	France	10	1.5%
8	Netherlands	10	1.5%
9	Egypt	8	1.2%
10	Russia	8	1.2%
11	Singapore	8	1.2%
12	Canada	7	1%
13	India	7	1%
14	Brazil	7	1%
15	Ireland	6	0.9%
16	Iraq	5	0.7%
17	Portugal	4	0.6%
18	Georgia	4	0.6%
19	Spain	4	0.6%
20	Turkey	4	0.6%
21	Bulgaria	3	0.4%
22	Romania	3	0.4%
23	Malaysia	3	0.4%
24	Mexico	3	0.4%
25	Nicaragua	2	0.3%
26	Iran, Islamic Republic of	2	0.3%
27	Israel	2	0.3%
28	Kazakhstan	2	0.3%
29	Korea, Republic of	2	0.3%
30	Cyprus	2	0.3%
31	Czech Republic	2	0.3%
32	Ecuador	2	0.3%
33	United Arab Emirates	2	0.3%
34	Taiwan	2	0.3%
35	Sri Lanka	1	0.1%
36	Saudi Arabia	1	0.1%
37	Australia	1	0.1%
38	Bahrain	1	0.1%
39	Indonesia	1	0.1%
40	Hong Kong	1	0.1%
41	Hungary	1	0.1%
42	Lebanon	1	0.1%
43	Jordan	1	0.1%
44	Italy	1	0.1%
45	Palestine, State of	1	0.1%
46	Philippines	1	0.1%