Rank	Countries/Territories	Count	Percent
1	United States	275	35.1%
2	China	210	26.8%
3	Germany	110	14%
4	Australia	28	3.6%
5	Netherlands	20	2.6%
6	France	16	2%
7	Korea, Republic of	12	1.5%
8	India	11	1.4%
9	Japan	9	1.1%
10	Russia	8	1%
11	Albania	8	1%
12	Brazil	6	0.8%
13	Romania	5	0.6%
14	Norway	5	0.6%
15	Iran, Islamic Republic of	5	0.6%
16	Singapore	5	0.6%
17	Taiwan	5	0.6%
18	Saudi Arabia	4	0.5%
19	Ireland	3	0.4%
20	Turkey	3	0.4%
21	Ukraine	3	0.4%
22	United Kingdom	2	0.3%
23	Jordan	2	0.3%
24	Malaysia	2	0.3%
25	New Zealand	2	0.3%
26	Palestine, State of	2	0.3%
27	Philippines	2	0.3%
28	Canada	2	0.3%
29	Egypt	2	0.3%
30	Finland	2	0.3%
31	Indonesia	2	0.3%
32	Greece	2	0.3%
33	Cyprus	2	0.3%
34	Czech Republic	1	0.1%
35	Ecuador	1	0.1%
36	Argentina	1	0.1%
37	Bahrain	1	0.1%
38	Poland	1	0.1%
39	Pakistan	1	0.1%
40	Italy	1	0.1%
41	Thailand	1	0.1%
42	Slovakia	1	0.1%