Rank	Countries/Territories	Count	Percent
1	United States	257	35.2%
2	China	156	21.4%
3	Germany	65	8.9%
4	Japan	53	7.3%
5	Korea, Republic of	41	5.6%
6	Singapore	24	3.3%
7	France	24	3.3%
8	Canada	18	2.5%
9	United Kingdom	16	2.2%
10	Hong Kong	9	1.2%
11	Australia	8	1.1%
12	Argentina	6	0.8%
13	Cyprus	6	0.8%
14	Thailand	6	0.8%
15	Netherlands	5	0.7%
16	Norway	4	0.5%
17	Taiwan	4	0.5%
18	Ghana	4	0.5%
19	India	3	0.4%
20	Ireland	3	0.4%
21	Sweden	3	0.4%
22	Ukraine	2	0.3%
23	Spain	2	0.3%
24	Italy	2	0.3%
25	Mexico	2	0.3%
26	Mongolia	2	0.3%
27	Jordan	2	0.3%
28	Iran, Islamic Republic of	1	0.1%
29	Belgium	1	0.1%
30	Brazil	1	0.1%