Rank	Countries/Territories	Count	Percent
1	United States	315	43.7%
2	China	159	22.1%
3	Germany	42	5.8%
4	Australia	28	3.9%
5	Korea, Republic of	18	2.5%
6	Japan	13	1.8%
7	Netherlands	13	1.8%
8	France	12	1.7%
9	Canada	10	1.4%
10	Singapore	9	1.2%
11	Brazil	8	1.1%
12	India	8	1.1%
13	Taiwan	7	1%
14	United Kingdom	7	1%
15	Italy	7	1%
16	Ukraine	6	0.8%
17	Denmark	6	0.8%
18	Algeria	5	0.7%
19	Ireland	5	0.7%
20	Spain	4	0.6%
21	Cyprus	4	0.6%
22	Greece	4	0.6%
23	Hong Kong	3	0.4%
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	United Arab Emirates	2	0.3%
31	Mongolia	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	Malaysia	1	0.1%
37	Mexico	1	0.1%