Rank	Countries/Territories	Count	Percent
1	United States	669	46.4%
2	China	429	29.8%
3	Germany	123	8.5%
4	France	42	2.9%
5	Japan	36	2.5%
6	Netherlands	21	1.5%
7	Cyprus	19	1.3%
8	India	13	0.9%
9	Finland	11	0.8%
10	Singapore	7	0.5%
11	Turkey	7	0.5%
12	United Kingdom	6	0.4%
13	South Africa	6	0.4%
14	Canada	6	0.4%
15	Australia	5	0.3%
16	Iran, Islamic Republic of	5	0.3%
17	Latvia	4	0.3%
18	Hong Kong	4	0.3%
19	Taiwan	4	0.3%
20	Switzerland	3	0.2%
21	Korea, Republic of	3	0.2%
22	Belgium	3	0.2%
23	Ireland	3	0.2%
24	Kazakhstan	2	0.1%
25	Russia	2	0.1%
26	Norway	2	0.1%
27	Ukraine	2	0.1%
28	Poland	1	0.1%
29	Nigeria	1	0.1%
30	Mongolia	1	0.1%
31	Italy	1	0.1%