Rank	Countries/Territories	Count	Percent
1	United States	296	44.9%
2	China	176	26.7%
3	Germany	58	8.8%
4	Japan	17	2.6%
5		15	2.3%
6	Singapore	14	2.1%
7	Netherlands	11	1.7%
8	United Kingdom	7	1.1%
9	Czech Republic	7	1.1%
10	Cyprus	6	0.9%
11	France	5	0.8%
12	Italy	5	0.8%
13	India	4	0.6%
14	Iraq	4	0.6%
15	Ireland	3	0.5%
16	Canada	3	0.5%
17	Australia	3	0.5%
18	Russia	3	0.5%
19	Sweden	3	0.5%
20	Philippines	2	0.3%
21	Portugal	2	0.3%
22	Korea, Republic of	2	0.3%
23	Taiwan	2	0.3%
24	Argentina	2	0.3%
25	Brazil	1	0.2%
26	Ecuador	1	0.2%
27	Ethiopia	1	0.2%
28	Hong Kong	1	0.2%
29	Indonesia	1	0.2%
30	Iran, Islamic Republic of	1	0.2%
31	Thailand	1	0.2%
32	Kuwait	1	0.2%
33	Switzerland	1	0.2%