Rank	Countries/Territories	Count	Percent
1	United States	345	39.1%
2	China	179	20.3%
3	Japan	123	13.9%
4	Germany	68	7.7%
5	Singapore	27	3.1%
6	United Kingdom	18	2%
7	Italy	13	1.5%
8	India	11	1.2%
9	Colombia	10	1.1%
10	France	9	1%
11	Canada	9	1%
12	Netherlands	9	1%
13	Ireland	8	0.9%
14	Australia	8	0.9%
15	Iran, Islamic Republic of	5	0.6%
16	Hungary	5	0.6%
17	Poland	4	0.5%
18	Thailand	4	0.5%
19	Turkey	3	0.3%
20	Spain	3	0.3%
21	Korea, Republic of	3	0.3%
22	Mexico	3	0.3%
23	Brazil	3	0.3%
24	Cyprus	2	0.2%
25	Russia	2	0.2%
26	Taiwan	2	0.2%
27	Ukraine	1	0.1%
28	Palestine, State of	1	0.1%
29	Sweden	1	0.1%
30	South Africa	1	0.1%
31	Egypt	1	0.1%
32	Georgia	1	0.1%
33	Croatia	1	0.1%