Rank	Countries/Territories	Count	Percent
1	United States	476	37.4%
2	China	400	31.4%
3	Germany	150	11.8%
4	France	38	3%
5	Switzerland	25	2%
6	Canada	24	1.9%
7	Japan	23	1.8%
8	Netherlands	15	1.2%
9	Hong Kong	13	1%
10	India	13	1%
11	Cyprus	11	0.9%
12	Slovakia	11	0.9%
13	Singapore	10	0.8%
14	Australia	10	0.8%
15	Korea, Republic of	7	0.5%
16	Ukraine	7	0.5%
17	United Kingdom	5	0.4%
18	Lithuania	5	0.4%
19	Egypt	4	0.3%
20	Iran, Islamic Republic of	3	0.2%
21	Mongolia	3	0.2%
22	New Zealand	2	0.2%
23	Pakistan	2	0.2%
24	Romania	2	0.2%
25	Taiwan	2	0.2%
26	Italy	2	0.2%
27	Denmark	2	0.2%
28	Bangladesh	2	0.2%
29	Argentina	2	0.2%
30	Malaysia	1	0.1%
31	Russia	1	0.1%
32	Norway	1	0.1%
33	Sweden	1	0.1%