Rank	Countries/Territories	Count	Percent
1	United States	331	32.4%
2	China	277	27.1%
3	Germany	82	8%
4	Australia	49	4.8%
5	Russia	39	3.8%
6	Italy	38	3.7%
7	Korea, Republic of	33	3.2%
8	India	24	2.3%
9	Japan	23	2.2%
10	France	20	2%
11	Israel	15	1.5%
12	Hong Kong	13	1.3%
13	Latvia	12	1.2%
14	Canada	8	0.8%
15	Norway	7	0.7%
16	Singapore	6	0.6%
17	United Kingdom	5	0.5%
18	Netherlands	4	0.4%
19	Cyprus	4	0.4%
20	Bangladesh	3	0.3%
21	Iran, Islamic Republic of	3	0.3%
22	Oman	3	0.3%
23	Portugal	3	0.3%
24	Saudi Arabia	2	0.2%
25	Turkey	2	0.2%
26	Jordan	2	0.2%
27	Ireland	2	0.2%
28	Belgium	2	0.2%
29	Brazil	2	0.2%
30	Costa Rica	2	0.2%
31	Indonesia	1	0.1%
32	New Zealand	1	0.1%
33	Mongolia	1	0.1%
34	Morocco	1	0.1%
35	Ukraine	1	0.1%
36	Taiwan	1	0.1%
37	Philippines	1	0.1%