Rank	Countries/Territories	Count	Percent
1	United States	428	38.8%
2	China	353	32%
3	Germany	161	14.6%
4	Netherlands	22	2%
5	Canada	18	1.6%
6	India	16	1.5%
7	France	15	1.4%
8	Japan	12	1.1%
9	Ireland	9	0.8%
10	Cyprus	8	0.7%
11	Australia	7	0.6%
12	Austria	5	0.5%
13	United Kingdom	5	0.5%
14	Singapore	5	0.5%
15	Switzerland	4	0.4%
16	Argentina	4	0.4%
17	Malaysia	4	0.4%
18	Mexico	3	0.3%
19	Korea, Republic of	3	0.3%
20	Iran, Islamic Republic of	3	0.3%
21	Italy	2	0.2%
22	Chile	2	0.2%
23	Jordan	2	0.2%
24	Turkey	2	0.2%
25	Russia	2	0.2%
26	Spain	1	0.1%
27	Mongolia	1	0.1%
28	Nigeria	1	0.1%
29	Egypt	1	0.1%
30	Georgia	1	0.1%
31	Iraq	1	0.1%
32	Indonesia	1	0.1%
33	Hong Kong	1	0.1%