Rank	Countries/Territories	Count	Percent
1	United States	272	41.7%
2	China	191	29.3%
3	Germany	73	11.2%
4	Japan	20	3.1%
5	United Kingdom	8	1.2%
6	Singapore	7	1.1%
7	Korea, Republic of	7	1.1%
8	France	7	1.1%
9	Thailand	6	0.9%
10	Cyprus	5	0.8%
11	Australia	4	0.6%
12	Netherlands	4	0.6%
13	Poland	3	0.5%
14	Portugal	3	0.5%
15	Taiwan	3	0.5%
16	Turkey	3	0.5%
17	Canada	3	0.5%
18	Denmark	3	0.5%
19	Malaysia	3	0.5%
20	Mexico	3	0.5%
21	India	3	0.5%
22	Iran, Islamic Republic of	3	0.5%
23	Ireland	3	0.5%
24	Italy	2	0.3%
25	Lithuania	2	0.3%
26	Tunisia	2	0.3%
27	Philippines	2	0.3%
28	Russia	1	0.2%
29	Slovakia	1	0.2%
30	Spain	1	0.2%
31	Sweden	1	0.2%
32	Switzerland	1	0.2%
33	Argentina	1	0.2%
34	Hong Kong	1	0.2%