Rank	Countries/Territories	Count	Percent
1	United States	267	39.3%
2	China	142	20.9%
3	Germany	92	13.5%
4	Japan	31	4.6%
5	Canada	27	4%
6	Netherlands	14	2.1%
7	Mexico	13	1.9%
8	Singapore	11	1.6%
9	France	11	1.6%
10	Australia	8	1.2%
11	Iran, Islamic Republic of	8	1.2%
12	Sweden	7	1%
13	Taiwan	7	1%
14	India	6	0.9%
15	Turkey	5	0.7%
16	United Kingdom	3	0.4%
17	Hong Kong	3	0.4%
18	Italy	3	0.4%
19	Cyprus	3	0.4%
20	Georgia	3	0.4%
21	Ireland	2	0.3%
22	Spain	2	0.3%
23	Malaysia	2	0.3%
24	Korea, Republic of	1	0.1%
25	Pakistan	1	0.1%
26	Romania	1	0.1%
27	Russia	1	0.1%
28	Switzerland	1	0.1%
29	Hungary	1	0.1%
30	Indonesia	1	0.1%
31	Greece	1	0.1%
32	Brazil	1	0.1%