Rank	Countries/Territories	Count	Percent
1	United States	546	38.7%
2	China	473	33.5%
3	Germany	144	10.2%
4	France	58	4.1%
5	Japan	22	1.6%
6	Singapore	21	1.5%
7	Korea, Republic of	19	1.3%
8	Hong Kong	16	1.1%
9	Netherlands	12	0.8%
10	United Kingdom	10	0.7%
11	Russia	8	0.6%
12	Hungary	8	0.6%
13	Cyprus	8	0.6%
14	Australia	8	0.6%
15	Canada	8	0.6%
16	Poland	7	0.5%
17	India	6	0.4%
18	Iran, Islamic Republic of	5	0.4%
19	Spain	4	0.3%
20	Sweden	4	0.3%
21	Thailand	4	0.3%
22	Italy	3	0.2%
23	Mongolia	3	0.2%
24	Indonesia	2	0.1%
25	Belgium	2	0.1%
26	Brazil	2	0.1%
27	Finland	2	0.1%
28	Colombia	2	0.1%
29	Argentina	1	0.1%
30	Turkey	1	0.1%
31	Ukraine	1	0.1%
32	Romania	1	0.1%
33	Philippines	1	0.1%