Rank	Countries/Territories	Count	Percent
1	United States	336	42.9%
2	China	263	33.6%
3	Germany	71	9.1%
4	Netherlands	16	2%
5	United Kingdom	14	1.8%
6	France	9	1.1%
7	Japan	7	0.9%
8	Cyprus	7	0.9%
9	Canada	7	0.9%
10	Australia	7	0.9%
11	Taiwan	6	0.8%
12	Singapore	5	0.6%
13	Ukraine	4	0.5%
14	Chile	4	0.5%
15	Argentina	3	0.4%
16	Hungary	3	0.4%
17	Brazil	3	0.4%
18	Iran, Islamic Republic of	3	0.4%
19	Mongolia	2	0.3%
20	Russia	2	0.3%
21	Algeria	2	0.3%
22	Bangladesh	2	0.3%
23	Greece	1	0.1%
24	India	1	0.1%
25	Korea, Republic of	1	0.1%
26	Norway	1	0.1%
27	Philippines	1	0.1%
28	Spain	1	0.1%
29	Sweden	1	0.1%