Rank	Countries/Territories	Count	Percent
1	United States	444	47.1%
2	China	244	25.9%
3	Germany	89	9.4%
4	Netherlands	18	1.9%
5	Portugal	17	1.8%
6	Singapore	17	1.8%
7	France	17	1.8%
8	Sweden	12	1.3%
9	Iraq	7	0.7%
10	Japan	7	0.7%
11	Korea, Republic of	6	0.6%
12	Hong Kong	6	0.6%
13	India	6	0.6%
14	Colombia	5	0.5%
15	Mexico	5	0.5%
16	United Kingdom	5	0.5%
17	Ireland	4	0.4%
18	Italy	4	0.4%
19	Cyprus	4	0.4%
20	South Africa	3	0.3%
21	Spain	3	0.3%
22	Norway	3	0.3%
23	Peru	3	0.3%
24	Ukraine	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Argentina	2	0.2%
27	Australia	2	0.2%
28	Canada	1	0.1%
29	Morocco	1	0.1%
30	Dominican Republic	1	0.1%
31	Yemen	1	0.1%
32	Russia	1	0.1%
33	Taiwan	1	0.1%