Rank	Countries/Territories	Count	Percent
1	United States	334	43.5%
2	China	172	22.4%
3	Germany	42	5.5%
4	Australia	28	3.6%
5	Korea, Republic of	18	2.3%
6	Netherlands	15	2%
7	France	14	1.8%
8	Japan	14	1.8%
9	Singapore	14	1.8%
10	Canada	10	1.3%
11	United Kingdom	10	1.3%
12	Brazil	8	1%
13	India	8	1%
14	Taiwan	7	0.9%
15	Italy	7	0.9%
16	Ukraine	6	0.8%
17	Denmark	6	0.8%
18	Algeria	5	0.7%
19	Ireland	5	0.7%
20	Spain	4	0.5%
21	Cyprus	4	0.5%
22	Greece	4	0.5%
23	Hong Kong	4	0.5%
24	Hungary	3	0.4%
25	Indonesia	3	0.4%
26	Iran, Islamic Republic of	2	0.3%
27	Egypt	2	0.3%
28	Colombia	2	0.3%
29	Chile	2	0.3%
30	Mongolia	2	0.3%
31	United Arab Emirates	2	0.3%
32	Nigeria	2	0.3%
33	Norway	2	0.3%
34	Russia	2	0.3%
35	Viet Nam	2	0.3%
36	South Africa	1	0.1%
37	Malaysia	1	0.1%
38	Mexico	1	0.1%