Rank	Countries/Territories	Count	Percent
1	United States	322	34.5%
2	China	254	27.2%
3	Germany	88	9.4%
4	Japan	68	7.3%
5	France	26	2.8%
6	Singapore	24	2.6%
7	India	16	1.7%
8	Belgium	14	1.5%
9	Canada	13	1.4%
10	Ireland	11	1.2%
11	Korea, Republic of	11	1.2%
12	Netherlands	11	1.2%
13	Egypt	8	0.9%
14	Romania	7	0.8%
15	Russia	6	0.6%
16	Brazil	6	0.6%
17	Italy	5	0.5%
18	Iran, Islamic Republic of	4	0.4%
19	Australia	4	0.4%
20	Cyprus	4	0.4%
21	Czech Republic	4	0.4%
22	United Kingdom	4	0.4%
23	Belarus	2	0.2%
24	Mexico	2	0.2%
25	Slovakia	2	0.2%
26	Sweden	2	0.2%
27	Taiwan	2	0.2%
28	Palestine, State of	2	0.2%
29	Ukraine	2	0.2%
30	Thailand	1	0.1%
31	Turkey	1	0.1%
32	Switzerland	1	0.1%
33	South Africa	1	0.1%
34	Mongolia	1	0.1%
35	Oman	1	0.1%
36	Bangladesh	1	0.1%
37	Iraq	1	0.1%
38	Hong Kong	1	0.1%