Rank	Countries/Territories	Count	Percent
1	United States	270	32.2%
2	China	192	22.9%
3	Germany	88	10.5%
4	Canada	60	7.2%
5	India	28	3.3%
6	Australia	26	3.1%
7	Spain	18	2.1%
8	Singapore	15	1.8%
9	United Kingdom	13	1.5%
10	France	11	1.3%
11	Japan	10	1.2%
12	Italy	9	1.1%
13	Netherlands	8	1%
14	Norway	7	0.8%
15	Sweden	7	0.8%
16	Belgium	6	0.7%
17	Cyprus	6	0.7%
18	Iran, Islamic Republic of	6	0.7%
19	New Zealand	5	0.6%
20	Korea, Republic of	5	0.6%
21	Philippines	4	0.5%
22	Ireland	4	0.5%
23	Hong Kong	4	0.5%
24	Finland	3	0.4%
25	Mexico	3	0.4%
26	Turkey	3	0.4%
27	Ukraine	3	0.4%
28	Taiwan	2	0.2%
29	Thailand	2	0.2%
30	South Africa	2	0.2%
31	Israel	2	0.2%
32	Indonesia	2	0.2%
33	Czech Republic	2	0.2%
34	Bosnia and Herzegovina	2	0.2%
35	Argentina	2	0.2%
36	Albania	1	0.1%
37	Egypt	1	0.1%
38	Colombia	1	0.1%
39	Switzerland	1	0.1%
40	Mongolia	1	0.1%
41	Latvia	1	0.1%
42	Malaysia	1	0.1%
43	Jordan	1	0.1%
44	Viet Nam	1	0.1%