Rank	Countries/Territories	Count	Percent
1	United States	526	39%
2	China	390	28.9%
3	Germany	178	13.2%
4	Japan	39	2.9%
5	India	34	2.5%
6	Netherlands	27	2%
7	Switzerland	27	2%
8	Russia	17	1.3%
9	France	13	1%
10	Canada	11	0.8%
11	Singapore	11	0.8%
12	Ukraine	8	0.6%
13	Cyprus	7	0.5%
14	Austria	7	0.5%
15	Australia	6	0.4%
16	Iran, Islamic Republic of	5	0.4%
17	United Kingdom	5	0.4%
18	Mongolia	4	0.3%
19	Philippines	4	0.3%
20	Ireland	4	0.3%
21	Hungary	4	0.3%
22	Brazil	4	0.3%
23	Italy	3	0.2%
24	South Africa	3	0.2%
25	Taiwan	3	0.2%
26	Hong Kong	2	0.1%
27	Israel	2	0.1%
28	Argentina	1	0.1%
29	Sweden	1	0.1%
30	Portugal	1	0.1%
31	Korea, Republic of	1	0.1%