Rank	Countries/Territories	Count	Percent
1	United States	256	36.7%
2	China	246	35.3%
3	Germany	52	7.5%
4	Japan	26	3.7%
5	United Kingdom	16	2.3%
6	Canada	12	1.7%
7	France	10	1.4%
8	Singapore	9	1.3%
9	Ireland	8	1.1%
10	Korea, Republic of	6	0.9%
11	Netherlands	6	0.9%
12	Iran, Islamic Republic of	5	0.7%
13	Cyprus	5	0.7%
14	Tunisia	5	0.7%
15	Russia	4	0.6%
16	Australia	4	0.6%
17	Turkey	3	0.4%
18	Ukraine	2	0.3%
19	Saudi Arabia	2	0.3%
20	Poland	2	0.3%
21	Spain	2	0.3%
22	Taiwan	2	0.3%
23	Thailand	2	0.3%
24	Denmark	2	0.3%
25	Indonesia	2	0.3%
26	Israel	1	0.1%
27	Italy	1	0.1%
28	Norway	1	0.1%
29	Brazil	1	0.1%
30	Hong Kong	1	0.1%
31	India	1	0.1%
32	Sweden	1	0.1%
33	Romania	1	0.1%