Rank	Countries/Territories	Count	Percent
1	United States	545	37.6%
2	China	417	28.8%
3	Germany	161	11.1%
4	France	60	4.1%
5	United Kingdom	46	3.2%
6	Portugal	34	2.3%
7	Singapore	28	1.9%
8	Canada	19	1.3%
9	Cyprus	16	1.1%
10	Japan	15	1%
11	Netherlands	13	0.9%
12	Ireland	12	0.8%
13	India	8	0.6%
14	Korea, Republic of	8	0.6%
15	Hong Kong	8	0.6%
16		8	0.6%
17	Brazil	6	0.4%
18	Switzerland	5	0.3%
19	Ukraine	5	0.3%
20	Bulgaria	4	0.3%
21	Argentina	4	0.3%
22	Australia	4	0.3%
23	Latvia	3	0.2%
24	Lithuania	3	0.2%
25	Thailand	3	0.2%
26	Iran, Islamic Republic of	3	0.2%
27	Nigeria	2	0.1%
28	Hungary	2	0.1%
29	Bahrain	2	0.1%
30	Bangladesh	2	0.1%
31	Taiwan	1	0.1%
32	Turkey	1	0.1%
33	Viet Nam	1	0.1%