Rank	Countries/Territories	Count	Percent
1	United States	384	34.2%
2	China	380	33.8%
3	Germany	141	12.6%
4	Japan	26	2.3%
5	Canada	22	2%
6	United Kingdom	19	1.7%
7	India	17	1.5%
8	Netherlands	16	1.4%
9	Russia	11	1%
10	Taiwan	11	1%
11	Kenya	11	1%
12	Korea, Republic of	11	1%
13	Singapore	10	0.9%
14	France	8	0.7%
15	Australia	8	0.7%
16	Switzerland	7	0.6%
17	Ukraine	6	0.5%
18	Ireland	5	0.4%
19	Greece	4	0.4%
20	Cyprus	4	0.4%
21	Iran, Islamic Republic of	3	0.3%
22	Norway	3	0.3%
23	Romania	2	0.2%
24	Sweden	2	0.2%
25	Indonesia	2	0.2%
26	Latvia	2	0.2%
27	Brazil	2	0.2%
28	Argentina	2	0.2%
29	Egypt	1	0.1%
30	Hong Kong	1	0.1%
31	Malaysia	1	0.1%
32	Nigeria	1	0.1%