Rank	Countries/Territories	Count	Percent
1	United States	380	43.2%
2	China	309	35.2%
3	Germany	64	7.3%
4	Switzerland	13	1.5%
5	Japan	11	1.3%
6	Canada	11	1.3%
7	France	10	1.1%
8	Palestine, State of	10	1.1%
9	Netherlands	9	1%
10	Hong Kong	8	0.9%
11	Belarus	6	0.7%
12	United Kingdom	6	0.7%
13	Cyprus	4	0.5%
14	India	4	0.5%
15	Finland	3	0.3%
16	Taiwan	3	0.3%
17	Turkey	2	0.2%
18	Sweden	2	0.2%
19	Kenya	2	0.2%
20	Moldova, Republic of	2	0.2%
21	Israel	2	0.2%
22	Indonesia	2	0.2%
23	Czech Republic	2	0.2%
24	Egypt	2	0.2%
25	Belgium	2	0.2%
26	Brazil	2	0.2%
27	Australia	2	0.2%
28	Iran, Islamic Republic of	1	0.1%
29	Ireland	1	0.1%
30	Georgia	1	0.1%
31	Viet Nam	1	0.1%
32	Luxembourg	1	0.1%
33	Nigeria	1	0.1%