Rank	Countries/Territories	Count	Percent
1	United States	586	37.1%
2	China	488	30.9%
3	Germany	129	8.2%
4	France	67	4.2%
5	Japan	66	4.2%
6	Iran, Islamic Republic of	34	2.2%
7	Canada	33	2.1%
8	India	23	1.5%
9	Singapore	20	1.3%
10	Ukraine	17	1.1%
11	Russia	15	1%
12	Netherlands	15	1%
13	Australia	15	1%
14	Cyprus	12	0.8%
15	Korea, Republic of	9	0.6%
16	United Kingdom	7	0.4%
17	Spain	6	0.4%
18	Indonesia	6	0.4%
19	Hong Kong	5	0.3%
20	Taiwan	5	0.3%
21	Pakistan	2	0.1%
22	Mexico	2	0.1%
23	Ghana	2	0.1%
24	Ireland	2	0.1%
25	Italy	2	0.1%
26	Bangladesh	2	0.1%
27	Chile	1	0.1%
28	Denmark	1	0.1%
29	Argentina	1	0.1%
30	Liechtenstein	1	0.1%
31	Norway	1	0.1%
32	Switzerland	1	0.1%
33	Serbia	1	0.1%
34	Turkey	1	0.1%