Rank	Countries/Territories	Count	Percent
1	United States	319	39.4%
2	China	219	27.1%
3	Germany	61	7.5%
4	Japan	35	4.3%
5	Hong Kong	27	3.3%
6	Netherlands	18	2.2%
7	Iran, Islamic Republic of	15	1.9%
8	Ireland	15	1.9%
9	Australia	10	1.2%
10	Canada	10	1.2%
11	Russia	10	1.2%
12	Argentina	8	1%
13	Italy	6	0.7%
14	United Kingdom	5	0.6%
15	Singapore	5	0.6%
16	Norway	4	0.5%
17	Korea, Republic of	4	0.5%
18	India	3	0.4%
19	Indonesia	3	0.4%
20	Austria	3	0.4%
21	Colombia	3	0.4%
22	Cyprus	3	0.4%
23	Mexico	3	0.4%
24	Taiwan	3	0.4%
25	Ukraine	2	0.2%
26	Switzerland	2	0.2%
27	France	2	0.2%
28	Brazil	2	0.2%
29	Chile	2	0.2%
30	Madagascar	2	0.2%
31	Syrian Arab Republic	1	0.1%
32	Slovenia	1	0.1%
33	Nepal	1	0.1%
34	Philippines	1	0.1%
35	Turkey	1	0.1%