Rank	Countries/Territories	Count	Percent
1	United States	400	35.7%
2	China	358	31.9%
3	Germany	147	13.1%
4	Canada	52	4.6%
5	India	26	2.3%
6	Japan	25	2.2%
7	Netherlands	15	1.3%
8	Singapore	14	1.2%
9	France	11	1%
10	Australia	8	0.7%
11	Cyprus	7	0.6%
12	Korea, Republic of	6	0.5%
13	Brazil	5	0.4%
14	Hong Kong	5	0.4%
15	Malaysia	4	0.4%
16	United Kingdom	4	0.4%
17	Egypt	3	0.3%
18	Argentina	3	0.3%
19	Colombia	3	0.3%
20	Dominican Republic	2	0.2%
21	Bulgaria	2	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	Turkey	2	0.2%
24	Switzerland	2	0.2%
25	Taiwan	2	0.2%
26	Spain	2	0.2%
27	Qatar	2	0.2%
28	Romania	2	0.2%
29	Russia	2	0.2%
30	Sri Lanka	1	0.1%
31	Thailand	1	0.1%
32	Iraq	1	0.1%
33	Ireland	1	0.1%
34	Italy	1	0.1%