Rank	Countries/Territories	Count	Percent
1	United States	356	49%
2	China	140	19.3%
3	Germany	83	11.4%
4	Netherlands	18	2.5%
5	Japan	15	2.1%
6	South Africa	10	1.4%
7	Ireland	9	1.2%
8	Italy	8	1.1%
9	Canada	8	1.1%
10	Australia	8	1.1%
11	Iran, Islamic Republic of	7	1%
12	Spain	7	1%
13	Turkey	6	0.8%
14	Mexico	5	0.7%
15	Taiwan	5	0.7%
16	Singapore	4	0.6%
17	Norway	4	0.6%
18	Pakistan	4	0.6%
19	Korea, Republic of	4	0.6%
20	Cyprus	3	0.4%
21	United Kingdom	3	0.4%
22	Romania	2	0.3%
23	Barbados	2	0.3%
24	Hong Kong	2	0.3%
25	India	2	0.3%
26	Egypt	2	0.3%
27	Finland	2	0.3%
28	France	2	0.3%
29	Malaysia	1	0.1%
30	Indonesia	1	0.1%
31	Czech Republic	1	0.1%
32	Saudi Arabia	1	0.1%
33	Sweden	1	0.1%
34	Switzerland	1	0.1%